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Wednesday, July 13, 2016

ARCHIVED: DNA with Blaine Bettinger (discussion)




DearREADERS,
Thanks to our friend Blaine Bettinger for the informative discussion about DNA test results and the impact this can have in our genealogical paper-trail. We managed to discuss autosomal, yDNA and mtDNA testing; mirrored trees, triangulation, and a bit about ethical issues when sharing DNA results.
  • Endogamy includes hundreds of  years of intermarriage so it's all about the length of DNA segments.
  • "Fish in multiple ponds" means test and/or upload your DNA to as many DNA sites as possible, to increase the likelihood of finding a match with someone who has tested with that other company.
  • Recombination means that although my brother and I inherit 25% of our DNA from our grandparents, we may inherit different segments.
Blaine's blog is The Genetic Genealogist http://www.thegeneticgenealogist.com

There you can find out more about the upcoming book Genetic Genealogy in Practice he co-authored with Debbie Parker Wayne. It is "directed to genealogists of all levels, from beginner to intermediate to advanced. For the very first time, GGP offers hands-on exercises in areas of Y-DNA, mtDNA, X-DNA, atDNA, the Genealogical Proof Standard, ethics, and more." It's a workbook with 75 exercises.

Blaine recommends the wiki at ISOGG (International Society of Genetic Genealogists) located here: http://isogg.org/

In addition to spreadsheets, Blaine uses Genome Mate Pro to manage DNA comparisons. Find out more here: https://genomemate.org 

For information about X-DNA Charts, Blaine has several great suggestions here:

http://thegeneticgenealogist.com/2013/03/22/looking-for-my-x-dna-charts/


Sure, you could watch this WACKY Wednesday - DNA with Blaine Bettinger hangout session here or on DearMYRTLE's YouTube Channel, but you'll want to log in to view and comment at:
http://hangouts.dearmyrtle.com/dna---blaine-bettinger.html





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