Intelligence is still heritable

Gene Expression
By Razib Khan
Jun 12, 2013 10:23 AMNov 20, 2019 6:02 AM
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Sir Francis Galton Modern evolutionary genetics owes its origins to a series of intellectual debates around the turn of the 20th century. Much of this is outlined in Will Provines' The Origins of Theoretical Population Genetics, though a biography of Francis Galton will do just as well. In short what happened is that during this period there were conflicts between the heirs of Charles Darwin as to the nature of inheritance (an issue Darwin left muddled from what I can tell). On the one side you had a young coterie around William Bateson, the champion of Gregor Mendel's ideas about discrete and particulate inheritance via the abstraction of genes. Arrayed against them were the acolytes of Charles Darwin's cousin Francis Galton, led by the mathematician Karl Pearson, and the biologist Walter Weldon. This school of "biometricians" focused on continuous characteristics and Darwinian gradualism, and are arguably the forerunners of quantitative genetics. There is some irony in their espousal of a "Galtonian" view, because Galton was himself not without sympathy for a discrete model of inheritance!

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