Opinion

Henry Louis Gates: The myth of African and Indian ancestry





Professor Henry Louis Gates Jr. explains why most African-Americans do not carry Native American genes despite family stories and history:
I wish you could have seen my inbox the morning after the episode of African American Lives aired in 2008, in which we revealed my genetic admixture. To my own surprise, I have to confess, the results showed that I had a surprisingly high amount of European ancestry (50.5 percent) but only 0.8 percent Native American ancestry. (I am 48.2 percent sub-Saharan African.) No one seemed to mind all that white ancestry, but the low level of Native American ancestry caused something of a family crisis. I thought my computer was going to explode. I didn’t realize I had so many cousins who were so deeply committed to being “part Indian.” And the venom those emails contained! These were some very angry cousins.

“Skippy, how could you embarrass our family like that, in front of the nation?” ran one line of attack, while another questioned the accuracy of the tests. “That test is one big fat lie.” After all, Big Mom herself had told us all about her Indian ancestry, and how could “science” be more authoritative than Big Mom, your own grandmother. Boy. Then followed the mountain of photographs of our ancestors that my cousins sent, demonstrating, prima facie, that all you had to do was to look at those faces and that hair to know that that test wasn’t worth a bucket of spit, the same spit geneticists used to analyze your DNA in the first place. You need to correct these aspersions you have cast on our family, Skippy. Right now.

I would soon learn that my cousins’ reactions were typical of the reactions I get all across the country when I lecture about our people’s genetic composition. When I ask black people to raise their hands if they believe they have significant amounts of Native American ancestry, almost everyone raises their hands. Here are the facts, according to geneticists Joanna Mountain and Kasia Bryc at 23andme.com: The average African American is 73 percent sub-Saharan, 24 percent European and only 0.7 percent Native American. So, most of us have quite a lot of European ancestry and very, very little Native American ancestry. And if this Native American DNA came from exactly one ancestor, it surfaced in our family trees quite a long time ago—on average, perhaps as many as 10 generations, or 300 years, ago, which means about 1714.

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