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Wednesday, March 28, 2012

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The Question of the Trivers-Willard Hypothesis in Humans

New evidence for the Trivers-Willard hypothesis.

And yet, there is no supporting evidence from the 2001 analysis by Joseph Lee Rodgers and Debby Doughty reported here in "Chance". One would expect to see some evidence that the production of boys or girls runs in families if Trivers-Willard applied. Perhaps the American population is too well-fed to show any effects.

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