Ancestry DNA Origins Part 2
What Did We Inherit from Mom? In my previous post, [AncestryDNA Origins: Four Tests, Four Maps], I shared the Origins maps for my mother, my two brothers, and myself. Since all four of us have tested with AncestryDNA, I thought it would be interesting to compare our estimated geographic origins. After all, my brothers and I inherited our DNA from the same two parents. Wouldn't our Origins results be fairly similar? As I examined the percentages, I discovered something that surprised me. My mother has several geographic regions in her AncestryDNA Origins that don't appear in my results—or even in those of either brother! How could that happen? Comparing Four DNA Tests I created a spreadsheet comparing the Origins percentages for my mother and her three children. To keep the results straight, I identified the tests as Mom, MC (me), DC, and TC. I also included Ancestry's estimates of which regions each sibling inherited from our mother and which came from our father. The sprea...