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Greg Clark: Genetics and Social Mobility — #14

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The Role of Differential Reductive Rates in Evolution

When I encountered those numbers like that from your work 10 years ago, and I just put in very, very mild levels of heritability of traits, I could see very, very rapid evolution happening due to these differential reductive rates. And that just shocked me because I been educated in the United States that there had been no evolutionary change in humans in the last 50,000 years. So when I realized well identified effects like yours could lead to things on time scales of 1,000 or a few thousand years easily, I realized that this had to be. Yes, if I take the higher end numbers, not the sort of really conservative numbers, yes, a few hundred years is even possible

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