Quote:
Originally Posted by lenora
I am matching a LOT of African Americans who have a significant amount of Native American. Based on the DNA I've seen to date, I'd wager the shared ancestry is not a myth. I also have many more matches who are 100% white so I'm less likely to buy into the myth that there are "many" whites with black ancestry. If anything, it seems that the real myth is that "many" whites have black ancestry.
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http://www.cell.com/ajhg/fulltext/S0002-9297(14)00476-5
This study found the average DNA breaks downs like:
African Americans
- African - 73.2%
- European - 24.0%
- Native American - 0.8%
European Americans
- African - 0.19%
- European - 98.6%
- Native American - 0.18%
So you can see African Americans on average have a bit more Native American DNA but still quite low. Both white and black people have overinflated Native American stories.
Also this data shows that white people have almost the same level of Native American DNA as African DNA (rather than one being drastically larger than the other as people anecdotally suggest).
This data suggests your first claim (of many Africans with NA DNA) is wrong, but your second claim (that many whites don't have "black" ancestry) is correct.
Of course this is overall averages, regions show much different breakdowns:
African Americans DNA by region
European Americans DNA by region
![](http://www.cell.com/cms/attachment/2040464074/2053978055/gr3.jpg)