sexy son hypothesis

短语

释义与例句

n.
  1. 1.

    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.

词源

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

来源：wiktionary