American Racial Boundaries Are Quite Distinct (For Now)

Razib Khan in The Unz Review:

41AFhg61TZL._SY344_BO1204203200_-194x300Geneticists are people of their time. I’m rather sure that if Charles Davenport had written a book with the title Race Crossing in Jamaica today it would end with a far different moral, because the dominant Zeitgeist in regards to racial admixture in the United States is far different nearly 100 years on. In my post below where I review interesting aspects of the new study from researchers in David Reich’s lab and 23andMe, The Genetic Ancestry of African Americans, Latinos, and European Americans across the United States, I didn’t cover the variation in admixture in black and white Americans too much in detail. Partly that’s because this study only improved the bigger picture on the margins, and with finer geographic grain (though these were interesting obviously). We knew that the vast majority of white Americans who are not Hispanic do not have detectable non-European ancestry. It has also long been reported and verified that a substantial minority of the total ancestry of black Americans is of European origin, with a small Native American fraction as well. Additionally, this non-African ancestry in black Americans varies by geography as well as individual to individual a great deal.

So I have to take issue when The New York Times posts articles with headlines such as White? Black? A Murky Distinction Grows Still Murkier. What genetics is showing is that in fact white Americans are shockingly European to an incredibly high degree for a population with roots on this continent for 400 years. If we removed all the history that we take for granted we’d be amazed that the indigenous peoples had so little demographic impact, and, that the larger numbers of people of partial African ancestry did not move into the general “white” population. This is in fact the case across much of Latin America, where many self-identified whites,blanco, have African and indigenous ancestry. But we do know the reasons for why North America was unique, a combination of a smaller indigenous population which underwent a mass die off, and folk migrations on a huge scale previously unimaginable in human history. Whole villages in Poland and Norway, not just working age males, decamped for the New World.

More here.

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