DNA Ancestral Origins: a Deeper Dive
We often compare the results of different atDNA (autosomal DNA) tests with regards to Ancestral Origins. Usually I share breakdowns via the five companies I have tested with. I wanted for the purposes of this post to limit my comparison to one particular geographical area. This came to mind when recently reviewing an update of my Ancestral Origins for my Living DNA results. Overall I find Living DNA to be among the least accurate and the most confounding. However when I honed in on my “Germanic” Origins, I found Living DNA to be quite accurate in terms of geographic specificity and its alignment with the origins of my Germanic families, which includes German, Dutch, Swiss and Austrian. I do not mean that as a blanket endorsement of Living DNA but it may point out that different companies may more accurately or inaccurately portray one’s Ancestral Origins in very specific areas. This is both an issue of geography and of percentages attributed to various regions. So first my results from Living DNA:
Now Please compare that with this screenshot of my Germanic families plotted on the map. Not Bad in my estimation. However I clearly do not have 27.2% Southern Germanic and 2.9% Scandinavian. I have one 100% Scandinavian grandparent!
I think 23andme is a close with a more realistic percentage at 14%.
My Heritage, Family Tree DNA and Ancestry offer little specificity (for me, your results may differ).
For Germanic Europe I have a percentage range from 9% at Family Tree DNA to 27.2% at Living DNA. In between lays 23andMe 14%, MyHeritage 14.3% and Ancestry 11%. Overall that averages 15.1% Germanic. On paper my estimate is 18%, but our DNA does not always reflect our paper tree as we retain DNA unevenly from various parts of our tree. So overall in terms of specificity of location and percentage my nod goes to 23andMe. However the geography with Living DNA was spot on. Granted your mileage may vary greatly. The point is to dig a bit deeper. My husband is lucky to get some great specificity with Ancestry in his Irish origins. Depending on how recently your ancestors came from somewhere else the more likely that you will get enhanced geographic specificity from some vendors. Namely 23andMe, Ancestry and surprisingly LivingDNA.
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