Alternative explanations for the evolution of monogamy and sibling cooperation

Tuesday, May 3, 2016 - 13:30 in Psychology & Sociology

The textbook 'monogamy hypothesis' argues that monogamy favors the evolution of cooperation by increasing sibling relatedness, since helpers are as related to the full siblings that they care for as they are to their own offspring. Two experts in social and reproductive behavior say that the proof isn't all there.

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