Sexy Son Hypothesis Definition

noun

The hypothesis, in evolutionary biology , that a female animal 's optimal choice among potential mates is a male whose genes will produce male offspring with the best chance of reproductive success , irrespective of the mate's capacity as a caregiver or any other direct benefits he can offer.

Wiktionary

Origin of Sexy Son Hypothesis

  • Coined by P. J. Weatherhead and R. J. Robertson in a 1979 paper published in The American Naturalist .

    From Wiktionary

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