Altruism towards cousins

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Altruism towards cousins.

Recent research on kin investment shows a matrilateral bias as a function of paternity uncertainty. Kin investment, however, is a special case of kin altruism. We thus hypothesize that psychological adaptations have evolved to regulate cousin-directed altruism according to predictably variable levels of paternity uncertainty in different categories of cousins. We develop a formal mathematical m...

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ژورنال

عنوان ژورنال: Proceedings of the Royal Society B: Biological Sciences

سال: 2007

ISSN: 0962-8452,1471-2954

DOI: 10.1098/rspb.2006.0366