Showing posts with label X-DNA. Show all posts
Showing posts with label X-DNA. Show all posts

05 January 2018

A Different X-DNA Inheritance Chart (by John Motzi)

John Motzi has developed an Excel X-DNA Inheritance Chart that includes only the ancestors who may have contributed to the X chromosome of a person. I have made this chart available on my website with John's permission.

The Excel file can be accessed directly at http://debbiewayne.com/presentations/dna/MotziJohn_Xinheritance_Ancestry_Chart.xlsx. There is also a link available from my QuickRef Links section at http://debbiewayne.com/pubs.php#quickref once you scroll down to the section with links to "Charts for X-DNA analysis by others." You can find John's email address there also if you wish to contact him about the chart.

Because the names of ancestors who could not have contributed to the X chromosome are eliminated, this may make more sense to some of us and make it easier to find common ancestors on the X lines. While my versions of the charts make sense to me, some of you may prefer John's version of the charts or the ones created by others that are also linked in my Quickref section.

All of us think a little differently and the same tool is not best for all. Try this out and see if it works better for you.




All statements made in this blog are the opinion of the post author. This blog is not sponsored by any entity other than Debbie Parker Wayne nor is it supported through free or reduced price access to items discussed unless so indicated in the blog post. Hot links to other sites are provided as a courtesy to the reader and are not an endorsement of the other entities except as clearly stated in the narrative.


To cite this blog post:
Debbie Parker Wayne, "A Different X-DNA Inheritance Chart," Deb's Delvings, 4 January 2018 (http://debsdelvings.blogspot.com/ : accessed [date]).

© 2018, Debbie Parker Wayne, Certified Genealogist®, All Rights Reserved

24 November 2017

DNA Test Kit Sales

Soooo many sales on DNA test kits for genealogy now. Black Friday sales and low prices throughut the holiday season. Now is the time to test or order an upgrade.
Family Tree DNA (opinion: the only company that supports DNA Projects, no additional charges for access to company tools)

This is the testing company primarily used by members of the Texas State Genealogical Society's Early Texans DNA Project (see http://www.txsgs.org/programs/dna-project/early-texans/ for more info). Parker Y-DNA Surname Project and Parker FamGroup1 Family Finder Project are also at Family Tree DNA.

Black Friday Sale (ends 27 November 2017 at 11:59 PST) - Family Finder (autosomal DNA test) only $49 USD and standard shipping $4.95 USD per kit. After that time the kit price goes up to $59 with standard shipping, but that price is still a great deal! If you have tested elsewhere you can upload the data to Family Tree DNA for free and pay only $19 for access to premium analysis tools.

Ongoing sale prices include

New Test-takers
  • Family Finder + Y-37 $178 (males only) ($168 only on Black Friday)
  • Family Finder + Y-67 $278 (males only) ($268 only on Black Friday)
  • Family Finder + mtFull Sequence $218 ($208 only on Black Friday)
  • Family Finder + Y-67 + mtFull Sequence $442 (males only) ($427 only on Black Friday)
  • Y-37 $129 (males only)
  • Y-67 $229 (males only)
  • Y-111 $299 (males only)
  • mtDNA Plus $89
  • mtFull Sequence $169

Upgrades for those who have already tested
  • mtDNA to FullmtSequence $119
  • Y-12 to Y-37 $69
  • Y-25 to Y-37 $35
  • Y-37 to Y-67 $79
  • Y-37 to Y-111 $168
  • Y-67 to Y-111 $99
  • Big Y with free upgrade to Y-111 $475

Family Tree DNA customers also receive holiday coupons by logging in to your account and clicking on the "Holiday Reward" button. Each week a new coupon is offered. Many customers are sharing coupons they do not need on Facebook, mail lists, and in a shared Google Docs file at https://docs.google.com/spreadsheets/d/1CgXRKz2TySvRqSInveSIYoslO7yexAc9d-BzpNhaY1c/edit#gid=1193411620.




AncestryDNA (opinion: a large database for matching relatives, but requires an annual subscription for access to all tools)

Ancestry DNA Kit is on sale for $59 and Ancestry.com subscription for first year is 50% Off. Starting 23 November at 9:00p.m. PST to 27 November 2017 at 8:59p.m. PST. (£49 DNA kit in UK, $79 DNA Kit in Canada, $99 DNA Kit in Australia)



MyHeritage/ (opinion: smaller database and waiting for DNA analysis tools and better algorithms for matching relatives)

$49 DNA Kit 21 November to 27 November (Normal price is $99). Free expedited shipping on orders of three or more kits (US only) and free standard shipping on two or more kits. MyHeritage also accepts free raw data uploads from other companies.



23andMe (opinion: the most health-related information to date)

Ancestry + Health is $99 today only at Amazon using the link
https://www.amazon.com/23andMe-DNA-Test-Ancestry-collection/dp/B01G7PYQTM/ref=sr_1_4_s_it?s=hpc&ie=UTF8&qid=1511536800&sr=1-4&keywords=23andme+dna+test+kit

Ancestry-only kits are $69 and Ancestry + Health is $149 through 26 November at 23andMe.




LivingDNA (opinion: no matching relatives yet, but gives very detailed British Isles admixture origins)

$89 Black Friday sale price. Sale price of $159 after Black Friday. $199 normal price kit.




National Geographic Genographic Project Geno 2.0 (opinion: for deep, ancient origins and to contribute to scientific research - no matching relatives)

Black Friday sale price $69 at https://shop.nationalgeographic.com/category/geno-dna?code=SR90002&gclid=EAIaIQobChMI77Pu4cLX1wIVDrXACh28EAomEAAYASAAEgICVfD_BwE (normally $199).


Disclaimer: I receive no compensation from any of these companies. I am a satisfied paying customer of all the companies included.


To cite this blog post: Debbie Parker Wayne, "DNA Test Kit Sales," Deb's Delvings, 24 November 2017 (http://debsdelvings.blogspot.com/ : accessed [date]).

© 2017, Debbie Parker Wayne, Certified Genealogist®, All Rights Reserved

19 April 2017

National DNA Day Sales 2017

National DNA Day is coming soon—25 April. Sales on DNA kits have already started!

Updates added 21 April 2017.


Family Tree DNA (FTDNA) starts their sale on April 20, ending at 11:59 p.m. Central Time on Thursday, 27 April.

Upgrades on prior Y-DNA and mtDNA tests are not included. Adding a new test to an existing kit will receive the discounted sale price. See all of the current sale prices on this product page once the sale starts. To add a test to an existing kit, login to the account first. To order a new kit for someone without an account, just click on the price button on the product page and follow the instructions on the screen.

If you are attending the New England Regional Genealogical Consortium conference at MassMutual Center in Springfield, Massachusetts on 26-29 April, the FTDNA crew will be in attendance. Kits can be purchased at special event prices at the conference until the Exhibit Hall closes on Saturday. The Exhibit Hall will be open to the public at no charge 9:00 a.m. to 5:00 p.m. local time on Thursday; 9:00 a.m. to 5:00 p.m. on Friday; 9:00 a.m. to 4:00 p.m. on Saturday.



AncestryDNA is offering 20% off—sale price is $79 for the autosomal DNA test. Be aware that if you do not pay a subscripton fee to Ancestry you do not have access to all features (see https://support.ancestry.com/s/article/ka215000000TzydAAC/Accounts-after-Cancellation). When viewed on 21 April 2017, this page indicates that with a guest account you can see ethnicity estimates, DNA matches, Genetic Communities, automatic updates to your ethnicity estimate as updates are released, shared matches, and you can contact matches; you do not have access to New Ancestry Discoveries, DNA Circles, Shared Ancestor Hints, viewing your matches’ trees, or lists of surnames and birth locations that appear both your tree and your matches’ trees.



MyHeritage is offering autosomal DNA tests for $79.




LivingDNA is offering $40 off their test for a sale price of $119. LivingDNA's test is different than what we have been using for DNA and there is no match list (so far). See Roberta Estes' blog post describing her LivingDNA test results for more info.



23andMe has no special listed on their website as of 21 April 2017, 4:30 p.m. CDT.





Have fun analyzing the shared DNA segments and determining how you are related to all of your DNA matches!

If you need to learn more about how to analyze your DNA matches check out our genetic genealogy workbook Genetic Genealogy in Practice, co-written by me and Blaine T. Bettinger.




To cite this blog post: Debbie Parker Wayne, "National DNA Day Sales 2017," Deb's Delvings, 19 April 2017 (http://debsdelvings.blogspot.com/ : accessed [date]).

© 2017, Debbie Parker Wayne, Certified Genealogist®, All Rights Reserved

21 March 2017

Wanted: Genetic Genealogy Analysis Tools Incorporating Family Tree Charts

Programmers who are interested in genetic genealogy have provided some great tools for DNA analysis. Testing companies provide some great tools, too. New tools are produced all of the time and I use and love most of them. I WANT MORE. I want some specific features. Few of these tools today correlate the detailed DNA data (Y-DNA STR mutations, atDNA shared segments with start and stop points on a chromosome) with the family tree in an easily understood way. That correlation is essential for the "genealogy" in genetic genealogy.

One of the to-do tasks that keeps getting shoved lower on my priority list is to provide genealogy software developers with a list of what we need to incorporate DNA data into our databases and to create useful output for analysis. Genetic genealogical research has matured to the point where this should become a priority.

If we all pool our ideas, we can come up with a good list to provide to developers so the output is what we want. We need a list of the data we want to store in the genealogy database as well as what type of output reports we need.

So what would your ideal genealogy database incorporate and provide as output for your genetic analysis? Not necessarily the raw DNA data for analysis, but the shared DNA data related to the other test-takers in your database.

Feel free to provide suggestions as comments to this blog post, as Facebook comments if you read this on Facebook, or contact me directly using the email addresses on my website http://debbiewayne.com/ (scroll to the bottom of any page to see contact info).

So what finally spurred me to make this a priority after all this time? (1) I investigated different tree creation tools a few months ago and discussed it on Facebook. I found none of the tools produce exactly what I want for DNA analysis. (2) The McGuire Method of charting several of us saw last summer was published.


Lauren McGuire recently wrote a guest post on Blaine T. Bettinger's The Genetic Genealogist blog, "GUEST POST: The McGuire Method – Simplified Visual DNA Comparisons." This describes the great chart she designed for correlating a family tree and shared autosomal DNA (atDNA) totals for analysis. The chart Lauren uses in the blog post displays total shared centimorgans (cM), percentage shared, and relationship of each person on the tree in an efficient and compact format. I like seeing all of these items at once as all are important during analysis.

I immediately loved Lauren's chart when I first saw it. She and I obviously think the same way about what we want to see when analyzing DNA information.

My own charts started out with printed trees - either created in an image editor, Microsoft Word SmartArt, RootsMagic genealogy software, Progeny Charting Companion, or, more recently TreeDraw. Lauren and many others use Excel. Some use LucidChart and other online charting tools (find more info on these tools with a Google search). None of these tools provide an easy way to create a tree that only includes the DNA test-takers, much less incorporate the DNA data with the tree. And often my DNA data is handwritten at the bottom of the printed chart. If I want to make it look prettier then I spend a lot of time getting a Word table to line up under the family tree.

My own charts have evolved over the years. I started by creating an image of the tree and Y-DNA STR differences in an image editor:

Y-DNA and Tree Chart as Image, Debbie Parker Wayne

That evolved into a Word table that was easier to modify:


Y-DNA and Tree Chart as Table, Debbie Parker Wayne

Then into Word SmartArt which was better to show in a presentation:

Y-DNA and Tree Chart as Smart Art, Debbie Parker Wayne

For autosomal DNA triangulation I started with Word SmartArt and hand-written shared segment info:


atDNA and Tree Chart as Smart Art with Hand-written Notes, Debbie Parker Wayne

That evolved into simplified trees with a Word table showing shared segment info:


atDNA and Tree Chart as Smart Art with Shared Segment Table, Debbie Parker Wayne

I use a similar table when I am analyzing total shared DNA against the tree relationships.

What other formats have you found useful? What would make your DNA analysis process easier?

In my opinion, tree charts are most useful when each test-taker's lineage is shown in a column and each generation is contained in a row. The DNA data for a test-taker can be shown below in the same column as the lineage. The rows allow for easy calculation of relationships - which the software could do for us and include in the chart.

A chart including only the people in the DNA study is essential. I have been creating additional RootsMagic databases including only the DNA test-takers and their ancestors, but this takes a lot of time. The pared down database is input to one of the charting programs, but I still sometimes have to remove spouse boxes when I am only interested in the men for a Y-DNA study, for example. Creating a chart from my full database and then deleting the people I do not want takes even longer.

The DNA data to incorporate into our genealogy database varies for Y-DNA, autosomal and X-DNA, and mitochondrial DNA. Autosomal DNA analysis requires total shared DNA or shared segment information. Y-DNA analysis requires notation of differing Y-DNA STR and SNP markers. Mitochondrial DNA requires listing the locations that differ from a reference sequence and/or between test-takers. For Y-DNA and mtDNA we may want to include haplogroups. Even though we all know the admixture estimates vary depending on the reference population and algorithm used, we might want to record the estimates and which portions of which chromosomes match which reference populations.

Send me your ideas and I will compile a list we can prioritize and provide to the genealogy software developers. This new list will not be specific to any testing company or software, but a list of data we want to track in our DNA analysis and provide in reports we use for our analysis and publications. There may some overlap between the list I compile and the ISOGG Wiki wish lists for the testing companies:
https://isogg.org/wiki/FTDNA_wish_list,
https://isogg.org/wiki/23andMe_wish_list,
https://isogg.org/wiki/AncestryDNA_wish_list, and
https://isogg.org/wiki/MyHeritage_wish_list.

If you are on Facebook, these discussions relate to this issue although you may not be able to see the posts depending on Facebook settings
https://www.facebook.com/debbie.p.wayne/posts/10212404574018709
https://www.facebook.com/groups/DNADetectives/permalink/1389234674480979/





March 21: Added a cropped portion of the McGuire chart with permission of creator, Lauren McGuire.

March 22: Image added to illustrate reply below to nut4nature22 dated March, 2017 05:43:

RootsMagic Relationship Chart Sample, Debbie Parker Wayne



To cite this blog post: Debbie Parker Wayne, "Wanted: Genetic Genealogy Analysis Tools Incorporating Family Tree Charts," Deb's Delvings, 21 March 2017 (http://debsdelvings.blogspot.com/ : accessed [date]).

© 2017, Debbie Parker Wayne, Certified Genealogist®, All Rights Reserved

05 November 2016

Nov. 10, 'DNA and Genetic Genealogy Today' at Bear Creek Genealogical Society (Houston, TX)

My last scheduled speaking engagement in 2016 is next week in Houston. The topic will be an introduction to genetic genealogy testing and how to apply the test results to genealogical questions.


1 p.m., Thursday, 10 November 2016, Houston, Texas: GATA GACC! DNA and Genetic Genealogy Today – Bear Creek Genealogical Society & Library – Westlake Volunteer Fire Dept. station, 19636 Salms Road. (I-10 West to the Fry Rd. exit; turn right / north and travel about five traffic lights; turn right on Salms Road and immediately see new building on left; turn left into parking lot, drive past building, enter at double doors in front of building, turn right into auditorium. Located in a two story brick building on northeast side of Saums Road after you turn at the Saums Road light next to KF; not the old original metal building across the street.) See also www.bearcreekgenealogy.org.

An introduction to all of the ways DNA can help with genealogical research and the tests available. Covers all four types of DNA (Y, mitochondrial, X, and autosomal) and basic genetics information needed to use DNA for genealogy.

I hope to see many readers and friends there next week. Please stop by and say hi.


To cite this blog post:

Debbie Parker Wayne, "Nov. 10, 'DNA and Genetic Genealogy Today' at Bear Creek Genealogical Society (Houston, TX)," Deb's Delvings, 5 November 2016 (http://debsdelvings.blogspot.com/ : accessed [date]).

© 2016, Debbie Parker Wayne, Certified Genealogist®, All Rights Reserved

12 September 2016

'Genetic Genealogy in Practice' topics and sub-topics

Added 30 September 2016: Latest updates and order information available at http://debbiewayne.com/ggip/index.php.


We are getting questions about the contents of the newly-released book Genetic Genealogy in Practice written by Blaine and me (not to be confused with the book Blaine wrote alone1).
Genetic Genealogy in Practice is only available at this time from the National Genealogical Society (NGS) (not on Amazon yet).

Genetic Genealogy in Practice (Arlington, VA: National Genealogical Society, 2016) by Blaine T. Bettinger and Debbie Parker Wayne contains these chapters and topics
  1. Basic Genetics
    • Basic Genetics
    • Structure of the DNA Molecule
    • Y Chromosome DNA (Y-DNA)
    • Mitochondrial DNA (mtDNA)
    • Autosomal DNA (atDNA)
    • X Chromosome DNA (X-DNA)
    • DNA Match
    • Genetic Distance
    • Haplogroups
  2. Genetic Genealogy, Standards, and Ethics
    • What is the GPS?
    • How Genetic Genealogy Relates to the GPS
    • Advantages to Using DNA
    • Types of Genealogical Problems for Which DNA Can Provide Applicable Evidence
    • How Much DNA Evidence is Needed?
    • Importance of Tree Accuracy and Depth
    • Unexpected Findings Resulting from DNA Testing
    • Genetic Genealogy Standards and Ethical Issues
    • Considerations When Asking a Person to Participate in a DNA Study for Genealogical Purposes
    • International and Jurisdictional Considerations
    • Conclusions
    • Chapter 2 Exercises
  3. Genealogical Applications for Y-DNA
    • What is Y-DNA?
    • Y-DNA Inheritance Pattern
    • Advantages and Limitations of Y-DNA
    • Test Strategies for Y-DNA
    • Types of Y-DNA Testing
      1. Y-DNA STRs (including Y-STR Testing and Analysis and Adoption and Misattributed Parentage)
      2. Y-DNA SNPs (including haplogroups and Large-Scale Y-SNP Projects)
    • Chapter 3 Exercises
  4. Genealogical Applications for mtDNA
    • What is mtDNA?
    • mtDNA Inheritance Patterns
    • Advantages and Limitations for mtDNA
    • Test Strategies for mtDNA
    • mtDNA Tests
    • mtDNA Test Results
    • Haplogroups
    • Heteroplasmies
    • Hot Spots
    • Match-List Thresholds
    • Private or Family Mutations
    • Distance to Most Recent Common Ancestor (MRCA)
    • mtDNA Analysis
    • mtDNA Tools
    • Applications for mtDNA analysis
    • Chapter 4 Exercises
  5. Genealogical Applications for atDNA
    • What is atDNA?
    • atDNA Inheritance Patterns
    • Recombination
    • Finding and Classifying Genetic Matches
    • Reporting Genetic Matching by the atDNA Testing Companies (23andMe, AncestryDNA, and Family Tree DNA)
    • atDNA Tools for Genealogists (23andMe, AncestryDNA, and Family Tree DNA)
    • Third-Party Tools
    • Test Strategies for atDNA
    • Genetic Matches and Genetic Networks as Hints for New Research
    • Chromosome Mapping and Triangulation
    • Limitations of chromosome mapping and triangulation
    • Ethnicity Predictions (including Third-party calculators, Limitations of ethnicity estimates, and Using ethnicity estimates)
    • Chapter 5 Exercises
  6. Genealogical Applications for X-DNA
    • What is X-DNA?
    • X-DNA Inheritance Patterns
    • X-DNA Inheritance Charts
    • Advantages, Limitations, and Test Strategies for X-DNA
    • X-DNA Tools
    • Applications for X-DNA segment analysis
    • Chapter 6 Exercises
  7. Incorporating DNA Testing in a Family Study
    • Incorporating Multiple Types of DNA Testing (including a brand new table "Examples of situations employing two types of DNA tests" describing how multiple types of tests can be used in a family study)
    • Supporting or Refuting a Paper Trail with DNA
    • Chapter 7 Exercises
  8. Incorporating DNA Evidence in a Written Conclusion
    • The Genetic Genealogy Standards
    • Privacy Concerns
    • Sharing DNA Test Results
    • Citing DNA Test Results
    • Proof Argument Elements and Process
    • Examples Incorporating DNA Evidence in Genealogical Writing
    • Chapter 8 Exercises
  9. Conclusion
  10. Appendices
    • A. Charts For Exercises
    • B. Glossary (phrased in a manner that should be understandable without a biology degree)
    • C. Reading and Source List
    • D. Exercise Answers



1. Blaine's book written alone is The Family Tree Guide to DNA Testing and Genetic Genealogy available at http://www.shopfamilytree.com/guide-to-dna-testing-and-genetic-genealogy. Blaine says, "the Family Tree Guide is better suited for people who have no DNA experience, while the NGS book, Genetic Genealogy in Practice, is better suited for people who want to gauge and expand their DNA knowledge."


To cite this blog post:
Debbie Parker Wayne, "'Genetic Genealogy in Practice' topics and sub-topics," Deb's Delvings, 12 September 2016 (http://debsdelvings.blogspot.com/ : accessed [date]).

© 2016, Debbie Parker Wayne, Certified Genealogist®, All Rights Reserved

06 September 2016

"Genetic Genealogy in Practice" is HERE!

Added 30 September 2016: Latest updates and order information available at http://debbiewayne.com/ggip/index.php.


Finally!! The National Genealogical Society (NGS) announces Genetic Genealogy in Practice is available. A "Learn more" information link at http://www.ngsgenealogy.org/cs/home leads to the order page which is now working.

I am so excited!

I hope this book helps genealogists use DNA to solve genealogical problems as much as we believe it will. This is the book I wish I had when I started learning genetic genealogy.

Bettinger, Blaine T. and Debbie Parker Wayne. Genetic Genealogy in Practice. Arlington, Va.: National Genealogical Society, 2016.


Working with Blaine T. Bettinger was a fantastic experience. It was amazing how often we agreed on exactly how to handle each topic and unanticipated event during the writing, editing, and production process. Being in agreement with Blaine always boosts my confidence level in a conclusion. Each of us wrote some chapters then we passed the chapters back and forth making changes until we were both happy with the end-product. We had well-known genetic genealogists review the text and exercises then worked with a fabulous editor. The analysis techniques and methodology in the book should remain valid for a long time. Only a few items may change in the near future, such as when one of the testing companies changes their match algorithms or thresholds. The basic techniques will remain valid by incorporating any modified information.

We worked diligently to include all of the information needed to get started with genetic genealogy, expand your knowledge beyond the beginner level, and test your understanding using exercises based on real-life cases. The answers are in the back of the book along with an explanation of the reasoning leading to that answer. We integrate the genetic analysis with genealogical analysis. Some of the information is beginner level, some is more difficult to challenge intermediate and advanced practitioners. Some concepts have not been written about much until now.


You can learn more about the book and the process from our interview with Jane Wilcox of the "forget-me-not hour" podcast.

My initial post announcing the book: New Book Coming Soon: Genetic Genealogy in Practice. This post contains a list of topics covered in the book.

See Blaine's posts: Announcing “Genetic Genealogy in Practice” – A New Book Providing Genealogists with the Skills to Understand and Apply DNA.

See the initial NGS announcement at COMING SOON from NGS -- Genetic Genealogy in Practice #NGS2016GEN.



Edited 9 September 2016: order link is now working. Removed note that there was an issue with the link on 6 September.

Added 12 September 2016: For a list of chapter titles and topics see 'Genetic Genealogy in Practice' topics and sub-topics.

Edited 14 September 2016: changed publisher place to Va.


To cite this blog post:
Debbie Parker Wayne, "Genetic Genealogy in Practice is HERE!," Deb's Delvings, 2 September 2016 (http://debsdelvings.blogspot.com/ : accessed [date]).

© 2016, Debbie Parker Wayne, Certified Genealogist®, All Rights Reserved

03 May 2016

New Book Coming Soon: Genetic Genealogy in Practice

Added 30 September 2016: Latest updates and order information available at http://debbiewayne.com/ggip/index.php.


Added after initial post: See Blaine's post at http://thegeneticgenealogist.com/2016/05/03/announcing-genetic-genealogy-in-practice-a-new-book-providing-genealogists-with-the-skills-to-understand-and-apply-dna/ — Announcing “Genetic Genealogy in Practice” – A New Book Providing Genealogists with the Skills to Understand and Apply DNA. See the NGS announcement at http://upfront.ngsgenealogy.org/2016/05/coming-soon-from-ngs-genetic-genealogy.html.


I am excited that I can finally talk publicly about the newest genetic genealogy book which was announced today at the National Genealogical Society Conference in Ft. Lauderdale, Florida. The book will be available for purchase in mid-summer so please wait patiently for the printed and electronic versions to be available. I will post again once the book can be ordered. The book is
Bettinger, Blaine T. and Debbie Parker Wayne. Genetic Genealogy in Practice. Arlington, Va.: National Genealogical Society, 2016.


This is the first genetic genealogy workbook. This book covers the biological basics, types of DNA testing that are useful for genealogy, and analysis techniques needed for successful genetic genealogy. No matter which company a person tested at or which tools are used for data collection and analysis, the information in this book will help a researcher correlate DNA evidence into a family study.

After presenting the concepts of genetic genealogy and the techniques used to analyze the test results, each chapter concludes with typical genealogical questions as exercises. An answer key provides immediate feedback to the reader as to whether he or she arrived at the expected conclusion and what concepts, evidence, and analysis techniques should have been considered while working the problem. Readers will be able to apply the knowledge gained to their own family history to make credible conclusions using DNA test results.

This extracted paragraph explains why all genealogists need to understand DNA, even if you aren't yet using it yourself (but why aren't you?!).
The current generation of genealogists faces a new challenge, namely incorporating the discussion of DNA evidence into genealogical writings. Genealogists must understand how to correlate DNA evidence with documentary evidence to analyze a genealogical question, and they must also understand how to present DNA evidence as one of the elements supporting a conclusion. Genealogists who are not yet using DNA in their own writings must grasp enough of the subject to be able to evaluate the writings of peers who are incorporating DNA.
DNA can seem complex to many of us, but this book will guide you and help build your knowledge level one step at a time. The researcher who is new to genetic genealogy may want to come back to the book and review more advanced concepts after gaining some experience with the basic techniques. The amount of time you can devote to studying is limited only by yourself, not a conference or institute schedule. And you can do it all from home.

Topics covered include
  • an introduction to biology basics and DNA inheritance patterns, only as much as needed for genetic genealogy
  • ethics and standards (the Genealogical Proof Standard as applied to DNA and Genetic Genealogy Standards)
  • Y-DNA STR and SNP tests, test result analysis, and application to genealogical problems
  • mtDNA tests, test result analysis, and application to genealogical problems
  • atDNA tests, test result analysis, and application to genealogical problems
  • X-DNA test result analysis, and application to genealogical problems
  • useful tools for analysis (tool usage and access information, not transitory step-by-step guides)
  • incorporating multiple types of DNA into a family study
  • supporting or refuting a paper trail with DNA
  • incorporating DNA into a written conclusion
  • exercises testing understanding of the concepts covered and application of those associated techniques to answer real genealogical problems
  • an answer key to give the reader immediate feedback on the exercises
  • a glossary explaining the terminology in plain language
  • a list of references for additional study

Blaine and I have been planning for and working on this book for almost two years. After our week-long genetic genealogy courses at the Genealogical Research Institute of Pittsburgh (GRIP), Institute of Genealogy and Historical Research (IGHR), and Salt Lake Institute of Genealogy (SLIG), students want more hands-on time to practice what they have learned. Teaching important concepts limits the time available to devote to exercises. This book provides new and real genealogical problems those students, and all researchers, can practice on at their own pace. After mastering an application, the knowledge can immediately be applied to your own family history project.

We think this book brings together the genetic and the genealogy concepts and techniques needed to solve family history problems using DNA as one more tool in the genealogy toolbox. We hope you enjoy the book and learn more about genetic genealogy. Our goal is to see more researchers effectively using DNA in a family study and publishing those findings for all genealogists to learn from.

P.S. An aside for my family, the middle photograph on the book cover is Allie Perry Richards and Emma Everette Johnson (Granny and Pappy to me) on their wedding day, 23 June 1912. The Johnson family lived in Angelina County; the Richards family lived in Nacogdoches County; and the marriage took place in Sabine County, Texas.

Added 12 September 2016: For a list of chapter titles and topics see 'Genetic Genealogy in Practice' topics and sub-topics.

Edited 14 September 2016: changed publisher place to Va.


To cite this blog post:
Debbie Parker Wayne, "New Book Coming Soon: Genetic Genealogy in Practice," Deb's Delvings Blog, posted 3 May 2016 (http://debsdelvings.blogspot.com/ : accessed [date]).

© 2016, Debbie Parker Wayne, Certified Genealogist®, All Rights Reserved

13 April 2016

Hands-on DNA Workshop, April 23, Tyler, Texas

One of the biggest complaints of those who attend DNA presentations is that the concepts seem to make sense as one listens, but when you try to apply the concepts to family research it no longer seems as clear.

The East Texas Genealogical Society (ETGS) has asked me to present a one-day, hands-on DNA workshop on Saturday, 23 April 2016, in Tyler, Texas. This workshop will cover the basics of DNA inheritance for the novice then move into some more advanced techniques used to analyze the DNA test results to answer genealogical questions. All of the types of DNA tests used by genealogists will be discussed. The novice and intermediate level genetic genealogist should learn something new in this workshop. The cost is only $10 for ETGS members or $20 for non-members. Walk-ins are welcome, but pre-registration guarantees handouts will be available.


Information on registration can be found online at http://etgs.org/meetings/etgsmtg04_a.html. Registration can be paid online using Paypal or can be mailed to the society. If you want to order lunch, registration must be done by April 15th (only two days from now).

Location: Fairwood United Methodist Church, 1712 Old Omen Road, Tyler, TX 75701
See map here


The schedule for Genetic Genealogy Analysis and Tools: Stepping Up to the Next Level will be:

8:30 a.m. - 9:00 a.m. Registration

9:00 a.m. - 9:15 a.m. Welcome and Information

9:15 a.m. - 10:15 a.m. 1st Session
“Genetic Genealogy Today: DNA Inheritance”

A review of genetic genealogy basics such as the inheritance patterns of each type of DNA used for genealogy. This includes an introduction to some of the tools to be illustrated in later sessions.

10:15 a.m. - 10:45 a.m. Break - snacks and drinks furnished

10:45 a.m. - 11:45 a.m. 2nd Session
“Genetic Genealogy Company Comparisons”

Information on how to choose a DNA testing company, the pros and cons of each company’s offerings, and the tests available today; and
“Tools and Applications for mtDNA”
Illustration of a real-life case study using the latest tools and techniques to analyze mitochondrial DNA (passed along the matrilineal line).

11:45 a.m. - 1:00 p.m. Lunch - bring our own lunch, go to nearby restaurants, or pre-order a box lunch

1:00 p.m. - 2:00 p.m. 3rd Session
“Tools and Applications for Y-DNA”

Illustration of a real-life case study using the latest tools and techniques to analyze Y-DNA (passed along the patrilineal line).

2:00 p.m. - 2:30 p.m. Break - snacks and drinks furnished

2:30 p.m. - 3:30 p.m. 4th Session
“Tools and Applications for atDNA”

Illustration of a real-life case study using the latest tools and techniques to analyze autosomal DNA (inherited through all ancestral lines).

I hope to see you all there.


To cite this blog post:
Debbie Parker Wayne, "Hands-on DNA Workshop, April 23, Tyler, Texas," Deb's Delvings Blog, posted 13 April 2016 (http://debsdelvings.blogspot.com/ : accessed [date]).


© 2016, Debbie Parker Wayne, Certified Genealogist®, All Rights Reserved

20 January 2016

A Different DNA Course - IGHR: GG Tools and Techniques

The Institute for Genealogy and Historical Research (IGHR) opened registration yesterday for the 2016 courses. We are offering a new tool-intensive course for genetic genealogy: Genetic Genealogy Tools and Techniques. We still have a few open seats in the course. Several people have questioned me about the difference in this course and about what is expected in the work sample if the person has studied on their own instead of attending one of the prerequisite courses.


The Tools and Techniques course was designed to answer the requests of prior students for ...

More Hands On, More Tools

The IGHR course builds on the concepts taught in the GRIP Practical Genetic Genealogy and SLIG courses. The focus at IGHR is on how to use the tools to do the analysis — using the concepts taught in the earlier courses. The lectures will be a brief review, then in-depth on using the tool to analyze problems, then you actually use the tools yourself while instructors help you, if needed, and answer your questions.

If you haven't taken one of the prerequisite courses you must submit a work sample demonstrating you have the knowledge taught in the prereq courses. The less class time spent on review, the more time we will have to spend on using the tools.

The prereqs are:
  • An understanding of basic genetic inheritance patterns for Y-DNA, mtDNA, atDNA, and X-DNA
  • An understanding of test results returned for each of these test types, how to access the data online, and how to begin analysis of the DNA results
  • Expertise using your own device (laptop or tablet) to access genetic genealogy websites such as company testing sites GEDmatch, and DNAgedcom

The work sample must illustrate your analysis with details and not just contain a summary stating, for example, you helped a friend with an unknown line compare family trees of close DNA matches to find someone who might be her ancestor.


Your work sample does not need to present a final conclusion, but must describe in detail the DNA analysis process. The citations and documentary research will not be judged — use the space to demonstrate you know enough about DNA to successfully complete the IGHR course. Pseudonyms can be used for privacy purposes, if needed, but the course coordinator (me) or instructors (CeCe Moore, Blaine Bettinger) will be the only persons reviewing the work and will not share the work with anyone else. Length should be no longer than necessary to demonstrate your understanding of DNA. For example, 5 to 10 pages: 1 or 2 pages with bullet lists for the blogs, books, courses, DNA sessions, and webinars you have studied; and 3 to 8 pages clearly indicated how you applied DNA analysis to one genealogical problem. If the work is still in process indicate what steps are planned next to reach a conclusion.

The work sample should include details of the DNA analysis you have done. Details might include tools used for the analysis (company tools, GEDmatch, DNAgedcom ADSA or others, spreadsheets), number of testers, total atDNA shared and longest segments, chromosome number and start and stop point for shared segments, whether/how triangulation was used, whether/how In Common With matches were used, Y-STR values and knowledge of mutation rates impact on the analysis of differences, mtDNA differences from the rCRS, correlation of the DNA information with a family tree to find a common line, etc.


If you have primarily done light reading (as opposed to in-depth study) of the reference materials and do not understand
  • Y-DNA STR differences between multiple testers to determine how far back the common ancestor might be and if there is a common ancestor
  • using Y-DNA and mtDNA haplogroups to determine ethnicity and potential kinship
  • significance of the different mtDNA regions
  • using shared and overlapping atDNA segments (total percentage of DNA shared)
  • using longest atDNA block comparison to statistical average predictions,
  • determining which ancestor an atDNA block could have been inherited from by comparing trees and shared DNA segments from multiple DNA testers
  • what counts as a good / significant match on atDNA and what is insignificant
  • using output from FTDNA chromosome browser and ICW tools
  • using output from 23andMe DNA Relatives
  • accessing trees at FTDNA, 23andMe, and Ancestry
  • using AncestryDNA DNA data (sparse as it is) and how it compares to Circles and NADs
  • random recombination, inheritance patterns, why using the X is different, etc.
then it will be more difficult to follow the lessons in Genetic Genealogy Tools and Techniques. You don't have to be an expert on all of the topics listed above. You need to be familiar with the meaning of the items and you need to have done some hands-on analysis so you can follow the lessons in the course. You definitely need to know how to access all of the necessary websites on your own device which you will bring with you to Birmingham.

We hope to see you there. This last year for IGHR to be in Birmingham at Samford University should not be missed.

© 2016, Debbie Parker Wayne, CG, CGL, All Rights Reserved

09 March 2015

All-day Intermediate DNA Workshop

On March 21st I will be doing an all-day DNA workshop for Dallas (Texas) Genealogical Society. I will begin with a brief review of genetic genealogy basics and advice about choosing a DNA testing company. The remaining sessions will provide in-depth information about tools and applications for mitochondrial DNA, Y-DNA, and autosomal DNA studies. Attendees will get more from these sessions if you already understand the basics of DNA covered in one hour sessions or have read some of the publications in the "Foundational Knowledge" section of my DNA bibliography page. Each session will include a real-life case study which uses the latest tools and techniques to analyze these DNA types. Sessions include:
  • Genetic Genealogy Today: Review and Updates - A brief review of genetic genealogy basics such as the inheritance patterns of each type of DNA used for genealogy. This includes an introduction to some of the tools to be illustrated in later sessions.
  • Genetic Genealogy Company Comparisons - Information on how to choose a DNA testing company, the pros and cons of each company's offerings, and the tests available today.
  • Tools and Applications for mtDNA - Illustration of a real-life case study using the latest tools and techniques to analyze mitochondrial DNA (passed along the matrilineal line).
  • Tools and Applications for Y-DNA - Illustration of a real-life case study using the latest tools and techniques to analyze Y-DNA (passed along the patrilineal line).
  • Tools and Applications for atDNA - Illustration of a real-life case study using the latest tools and techniques to analyze autosomal DNA (inherited through all ancestral lines).
Check here for more information and registration links.

I hope to see you there!


To cite this blog post:
Debbie Parker Wayne, "All-day Intermediate DNA Workshop," Deb's Delvings Blog, posted 9 March 2015 (http://debsdelvings.blogspot.com/ : accessed [date]).


© 2015, Debbie Parker Wayne, CG, CGL, All Rights Reserved

13 February 2015

DNA Quick Reference Notes


This post has been superceded by the updated documents and additional information in the Publications area of my website.


I've been promising students in the genetic genealogy sessions at the
Genealogical Research Institute of Pittsburgh (GRIP), the
Forensic Genealogy Institute, the Institute for Genetic Genealogy (I4GG), the Salt Lake Institute of Genealogy (SLIG), and many of my other presentations that I would put copies of my Quick Reference DNA documents on this blog where they could get copies. I'm finally fulfilling that promise so everyone can print color copies of the complete document even if only portions or non-color copies were provided in syllabus material.

Many of these have a Creative Commons license so others can improve them as long as copies are freely provided to others under the same licensing scheme.

Documents I keep close when doing genetic genealogy include:

QuickRef___DNA_mt_.pdf - mtDNA QuickRef with my mtDNA molecule diagram, mtDNA Regions and Common Ancestor Matches chart, Family Tree DNA Match List Threshold chart, Native American mtDNA Haplogroups table, and Heteroplasmy notes.

QuickRef___DNA_Y.pdf - Y-DNA STR Marker chart noting fast-mutating markers, conversion between AncestryDNA and Family Tree DNA marker values, and noting which Family Tree DNA markers were tested by AncestryDNA.

QuickRef_DNA_inherited_atDNA.pdf - table with Percentage of Shared Autosomal DNA averages by relationship, some shared percentage ranges and some cM values also included.

Xinherit_chart_femalecolored.pdf - X-DNA Inheritance Chart for Female Focus Person.

Xinherit_chart_malecolored.pdf - X-DNA Inheritance Chart for Male Focus Person.



To cite this blog post:
Debbie Parker Wayne, "DNA QuickRef Notes," Deb's Delvings Blog, posted 13 February 2015 (http://debsdelvings.blogspot.com/ : accessed [date]).

© 2015, Debbie Parker Wayne, CG, CGL, All Rights Reserved

03 January 2015

Which DNA test should I take?

Which DNA test should I take? Is it worthwhile? What will I learn?

I see these and similar questions asked dozens of times a day on mail lists, forums, and social media sites. Some people recommend what worked for them, but what was "best" for us may not be best for the person asking today.


Chart of one person's number of Family Finder matches at Family Tree DNA over several years.

A DNA test is the genealogical resource that keeps on giving: as more people test you will get more matches. After taking a DNA test you need to periodically look at data for your new matches. You never know when the person whose DNA can solve your hardest genealogical problem will take a DNA test.

Knowing how DNA test results could contribute evidence to answer your genealogical question is critical to knowing which test to take and where. So here are some specific questions with the answer I would give today. As companies change their lab procedures, sequencing techniques, databases, tool offerings, customer service, and we learn more about DNA, these answers might change. As new companies are formed, these answers might change.

The three biggest genetic genealogy testing companies include Family Tree DNA, 23andMe, and AncestryDNA. For anthropological testing that may also be applied to genealogical research there is the National Geographic Genographic Project.

Many other companies also offer specialty testing and analysis services for those unable to do the analysis themselves. The "big three" will be the primary focus of this article. For the tests that are offered by all three companies, the base price of the tests is the same, although sale prices can provide significant savings. To find out about sales read the posts of genetic genealogists on blogs, Facebook, mail lists, and forums.


Debbie Parker Wayne, Partial Display of Mapped Chromosome Segments, 5 July 2014, created with Chromosome Mapping Tool by Kitty Cooper (http://kittymunson.com/dna/ChromosomeMapper.php : accessed 5 July 2014).

Is it worthwhile to take a DNA test for genealogy?
Yes, unequivocally for most of us.

For yourself, how much you will learn depends on how much effort you are willing to put in to learning how to use DNA evidence. For more information see Debbie Parker Wayne, "Disappointed in DNA test results?," Deb's Delvings Blog, posted 16 September 2013 (http://debsdelvings.blogspot.com/2013/09/disappointed-in-dna-test-results.html : accessed 3 January 2015). There are hundreds of blogs posts out there from dozens of genetic genealogists on how to use DNA test results.

For others, your DNA and family tree may provide the match needed to break down a long standing brick wall. Or for someone who has no knowledge of her biological parents to connect to family.

For the future, one of the best reasons to take a DNA test is to "bank" your DNA or the DNA of elderly relatives for future testing. As much as we know today about DNA, more will be known in the future. Our grandkids and great-grandkids may learn more from our DNA than we will be able to learn.

Today, Family Tree DNA advertises DNA samples will be stored to allow for testing in the future. Other companies may store leftover biological material, but they do not allow additional tests to be ordered at this time. No company can guarantee there will be enough stored material or viable DNA material for a particular test. But if the material is not stored and made available then there is NO chance of testing once a relative is deceased.

Is one company more economical than the others?
See Judy G. Russell, "2014: Most bang for DNA bucks," The Legal Genealogist blog, posted 6 April 2014 (http://www.legalgenealogist.com/blog/2014/04/06/2014-most-bang-for-dna-bucks/ : accessed 3 January 2015).

What will I learn?
A DNA test will provide several types of information: a list of other people in the database of the testing company who have DNA that matches yours and values for the DNA markers tested. Depending on the type of DNA test the markers and values will vary. For some test types, the companies provide an ethnicity prediction based on comparison to the population database used by the testing company.

Notice use of the phrase "the testing company" above. This means you may get different lists of people with matching DNA at each company because different people tested at each company and different ethnicity predictions because each company uses a different population database. This is why testing at all three companies is recommended. More on test types, databases, and ethnicity predictions below.

What kinds of tests are offered for genetic genealogy?
Y-DNA tests have been offered for about fifteen years now. Only men have Y-DNA; Y-DNA is passed from father to son. You can only learn about the direct patrilineal line of the man tested, and Y-DNA can be traced back many generations.

Mitochondrial DNA (mtDNA) tests have also been offered for about fifteen years now. Both men and women have mtDNA; mtDNA is passed from mother to all children; only daughters pass mtDNA to the next generation. You can only learn about the direct matrilineal line of the person tested, and mtDNA can be traced back many generations.

Autosomal DNA (atDNA) tests have been widely available for over five years now. Both men and women have atDNA; atDNA is passed from both parents, they inherited it from both of their parents, and so on. You can learn about every line on the pedigree chart of the person tested, but atDNA can only be traced back easily and reliably a limited number of generations. As you go back more generations it generally gets more difficult to use atDNA for genealogical evidence.

What can you learn from a Y-DNA test?
See Debbie Parker Wayne, "Using Y-DNA for Genealogy," National Genealogical Society, NGS Magazine 40 (January-March 2014): 20-24; PDF online (http://debbiewayne.com/pubs/pub_NGSMag_201311_Y-DNA_ALL.pdf : accessed 3 January 2015).

What can you learn from an mtDNA test?
See Debbie Parker Wayne, "Using mitochondrial DNA for Genealogy," National Genealogical Society, NGS Magazine 39 (October-December 2013): 26-30; PDF online (http://debbiewayne.com/pubs/pub_NGSMag_201308_mtDNA_ALL.pdf : accessed 3 January 2015).

What can you learn from an atDNA test?
See Debbie Parker Wayne, "Using autosomal DNA for Genealogy," National Genealogical Society, NGS Magazine 40 (April-June 2014), 50-54; PDF online (http://debbiewayne.com/pubs/pub_NGSMag_201402_atDNA_ALL.pdf : accessed 3 January 2015)
and
Debbie Parker Wayne, "Using X-DNA for Genealogy," National Genealogical Society, NGS Magazine 40 (July-September 2014): 57-61; PDF online (http://debbiewayne.com/pubs/pub_NGSMag_201405_X-DNA_ALL.pdf : accessed 3 January 2015).

Which company should I test with ... if I am interested in testing myself and I have no specific goal in mind? I just think DNA testing is cool and I want to do it.
Take an autosomal DNA test with all three of the "big" genetic genealogy testing companies. If you also want to contribute to anthropological discoveries for the human race test at National Geographic Genographic Project.

This can be accomplished by ordering individual tests from each company or by testing separately at 23andMe and AncestryDNA then transferring results from AncestryDNA to Family Tree DNA. Family Tree DNA does the lab work for National Geographic so results from the Genographic Project can be transferred to the Family Tree DNA database then additional tests can be ordered using the same DNA sample provided for National Geographic.

The only test offered by three of the companies is primarily an autosomal test so you don't have to know a specific name for the test. Family Tree DNA offers other tests so you must order a "Family Finder" test to get the autosomal DNA test there.

Does my ethnicity affect which company I should test with?
It depends.

Some factors to consider include (statements based on my personal experience and statements made by other genetic genealogists that I trust, your experience may vary):
  • African American ancestry: 23andMe actively recruited African and African American testers so have a significant number of testers in their database. AncestryDNA, by providing access to many family trees and documents, can make it easier to see patterns that can link slaveholders and ancestors who were held in slavery. Family Tree DNA uses a higher threshold that seems to result in fewer DNA matches for many African American researchers.
  • American Colonial ancestry: AncestryDNA's database includes more testers with deep colonial American ancestry, but all of the testing companies cover many in this category.
  • Ashkenazi Jewish ancestry, and others where small populations intermarried: These intermarriages result in a lot of small shared DNA segments that confuse the algorithms into predicting a closer relationship between two testers. Family Tree DNA has a lot of expertise in this area for those with Ashkenazi Jewish ancestry. AncestryDNA modified their match algorithm recently and may get better in this area. 23andMe limits the number of matches seen by a tester so some relatives may not be seen in the DNA match list.
  • Native American: Where Native American ancestry is suspected on the direct patrilineal line a Y-DNA test gives conclusive results. Where Native American ancestry is suspected on the direct matrilineal line an mtDNA test gives conclusive results. Where Native American ancestry is suspected on other lines, an autosomal DNA may or may not provide evidence.

    If the Native American ancestor is within five or so generations of a tester, it is likely to be detected. If it is more generations to the Native American ancestor, or random recombination of DNA resulted in the tester not having a detectable amount of DNA from that particular ancestor, Native American ancestry may not be detected even though it exists in the lineage. Testing other cousins in this line may result in detectable amounts of Native American DNA.

    23andMe uses an algorithm that seems to detect small amounts of Native American DNA not reported by the other companies
  • Old World lineage (not North or South American): Today, 23andMe and Family Tree DNA have more testers in their databases from outside of the Americas. AncestryDNA is about to offer testing outside of the USA so their database of testers from other locales may grow soon.

Will I learn about health related issues from a genetic genealogy test?
If you are interested in learning health related information, testing at 23andMe or AncestryDNA will provide more medically-significant markers. The data from the testing company can be analyzed by Promethease or other third-party tools. At some point in the future, 23andMe may again provide links to the medically significant information without the need for a third-party tool.

Which testing company is easiest? I don't have time to learn how to analyze DNA.
Testing at AncestryDNA may be the easiest for those who are not willing to invest time in learning how to use DNA results effectively for genealogical research. A public tree on Ancestry helps to get the most from a DNA test taken at Ancestry.

AncestryDNA does not provide the detailed segment data needed to make use of the most popular DNA analysis tools. Those who have tested at AncestryDNA and want to do detailed analysis must upload the raw DNA data to a third-party website (such as GEDmatch) or use third-party utilities (of which there are many). Comparisons can only be done with others who have also uploaded to the same site.

You can learn SO MUCH MORE from your DNA tests if you are willing to invest some time in learning how DNA answers genealogical questions. The image above labeled "Partial Display of Mapped Chromosome Segments" shows how some are mapping particular segments of chromosomes to specific ancestors using detailed DNA analysis and tools written by genetic genealogists with programming skills.


geralt, stress___burnout-231452_1280.jpg, "Burnout Man Psychology Rays Stress Hand Face Old," PixBay (http://pixabay.com/en/burnout-man-psychology-rays-stress-231452/ : accessed 16 July 2014), Public Domain CC0 license.

How do I learn to make effective and detailed use of DNA to answer genealogical questions?
  1. Learn about genetic genealogy and analysis techniques. Places for more information include:
  2. Practice the techniques on your own family data.

Choosing a testing company when you can't afford to test at all three may be affected by the following considerations.

Is support via telephone an important consideration?
Both Family Tree DNA and AncestryDNA provide telephone support, but the knowledge level of the customer service representatives covers a wide spectrum. In my experience and anecdotally, Family Tree DNA excels in both telephone and e-mail support to customers, quickly getting more knowledgeable persons involved if the first rep contacted cannot answer a question.

23andMe offers support online and not via telephone. Their customer support representatives have a reputation for providing knowledgeable and useful answers.

Are you testing an elderly relative who has trouble producing saliva?
Family Tree DNA uses a cheek swab to obtain a DNA sample (the tester rubs the swab on the inside of the cheek, cheek cells collect on the cotton swab). This is easier for many elderly people. As a special request option, 23andMe offers a test kit that requires less saliva than the standard test.

The ways we use DNA and the tools we use will continue to advance and change over the coming years. We will all need to continue our education as those advances come.

** Disclaimer: I coordinate the "Practical Genetic Genealogy" courses offered at GRIP and the "Getting Started with Genetic Genealogy" course offered in 2015 at SLIG. Back in 2010 I started planning topics I thought should be offered in a week-long institute for genetic genealogists. I then searched for the best people to help teach the course and found CeCe Moore and Blaine Bettinger. We had similar ideas about what was needed to bring the genealogy and genetic genealogy communities together. CeCe and Blaine helped refine the session topics based on their experiences. In July 2014 our plans came to fruition with the first "Practical Genetic Genealogy" course offered at GRIP. More and more institutes and conferences are offering more advanced genetic genealogy education.


To cite this blog post:
Debbie Parker Wayne, "Which DNA test should I take?," Deb's Delvings Blog, posted 3 January 2015 (http://debsdelvings.blogspot.com/ : accessed [date]).

© 2015, Debbie Parker Wayne, CG, CGL, All Rights Reserved

25 October 2013

X-DNA Inheritance Charts


This post has been superceded by the updated documents and additional information in the Publications area of my website.



A few years ago The Genetic Genealogist Blaine Bettinger posted several versions of X‑DNA inheritance charts. Colored blocks on the charts indicate which ancestors might contribute segments to a person's X chromosome(s). The percentage of X‑DNA that each ancestor might contribute was shown in one of the later charts.1 Blaine explains X‑DNA inheritance in those posts as well as providing the charts.

I formatted this information into a Microsoft Word table so I can type the names of the ancestors of a person who has tested for use in X‑DNA analysis.


I don't like to use handwritten charts when I can create a printed version.

With Blaine's permission I have attached a Creative Commons license2 and am linking several different electronic formats of the documents for use in compliance with the Creative Commons license.

I hope these charts prove useful to the genetic genealogy community. If anyone has problems or sees errors in the charts please let me know so they can be corrected.


All URLs accessed 25 October 2013.

1. Blaine Bettinger, PhD, JD, "Unlocking the Genealogical Secrets of the X Chromosome," 21 December 2008, The Genetic Genealogist (http://www.thegeneticgenealogist.com/2008/12/21/unlocking-the-genealogical-secrets-of-the-x-chromosome/). Blaine Bettinger, PhD, JD, "More X-Chromosome Charts," 12 January 2009, The Genetic Genealogist (http://www.thegeneticgenealogist.com/2009/01/12/more-x-chromosome-charts/).
2. Creative Commons (http://creativecommons.org/).


To cite this blog post:
Debbie Parker Wayne, "X-DNA Inheritance Charts ," Deb's Delvings Blog, posted 25 October 2013 (http://debsdelvings.blogspot.com/ : accessed [date]).

© 2013, Debbie Parker Wayne, CG, CGL, All Rights Reserved