Quick Tip: Sifting Through DNA Matches – FamilySearch August 2, 2019

I saw this on FamilySearch earlier today –Quick Tip: Sifting Through DNA Matches: https://media.familysearch.org/quick-tip-sifting-through-dna-matches/.

Summary

If you’ve taken an autosomal DNA test at 23andMeAncestryDNA, or Family Tree DNA, you likely have a long list of genetic cousins. After sequencing portions of your DNA, the testing company compares your results to the results of other test-takers in its database. If you share enough DNA with another test-taker in the database, you’ll see that person in your list of matches.

The company evaluates how close you might be to another test-taker based on the amount of shared DNA. See the image for a sample list of AncestryDNA matches (with usernames blurred for privacy).

In this guest post, Blaine Bettinger, DNA expert and author of The Family Tree Guide to DNA Testing and Genetic Genealogy, shares a quick tip for identifying your DNA matches with the best chance of aiding your research.

For test-takers with ancestry in well-represented areas (such as Europe), the list of genetic matches may be thousands of people long. A few of those matches might be close, but most will be distant matches who share just a small segment of DNA. How should you process all those matches? Which ones should you focus on to attempt to find your common ancestry?

 

 

About ICT Genealogist

Originally from Gulfport, Mississippi. Live in Wichita, Kansas now. Let's collaborateDealspotr.com
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