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#747 David Geary - Male, Female: The Evolution of Human Sex Differences (Pt. 2)

The Dissenter

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Are There Trade-Offs Between Mating and Parenting?

When we observe differences between the sexes, we can't immediately assume that they are the result of either natural selection or even cultural selection. But sexual selection is a good bet for a lot of them. In mammals, what we see in mammals is greater investment of females in offspring than males. And that's true in people as well. It's due to internal gestation and postpartum suckling.

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