A gene that promotes nurturing behavior postcopulation could... spread throughout the population, to the extent that the offspring of people with the nurturing gene fare better, as a group, in the competition for resources and mates. (Daniel Levitin)

A gene that promotes nurturing behavior postcopulation could... spread throughout the population, to the extent that the offspring of people with the nurturing gene fare better, as a group, in the competition for resources and mates.

Daniel Levitin

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behavior competition extent fare group offspring people population spread gene mates

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