A model explaining the matrilateral bias in alloparental investment
نویسندگان
چکیده
منابع مشابه
A model explaining the matrilateral bias in alloparental investment.
Maternal grandmothers invest more in childcare than paternal grandmothers. This bias is large where the expression of preferences is unconstrained by residential and lineage norms, and is detectable even where marriage removes women from their natal families. We maintain that the standard evolutionary explanation, paternity uncertainty, is incomplete, and present an expanded model incorporating...
متن کاملCorrection for Perry and Daly, A model explaining the matrilateral bias in alloparental investment.
ANTHROPOLOGY, EVOLUTION Correction for “A model explaining the matrilateral bias in alloparental investment,” by Gretchen Perry and Martin Daly, which was first published August 15, 2017; 10.1073/pnas.1705910114 (Proc Natl Acad Sci USA 114:9290–9295). The authors note that, due to a printer’s error, some of the text in the article appeared incorrectly. On page 9290, right column, third full par...
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Children receive more care and resources from their maternal grandmothers than from their paternal grandmothers. This asymmetry is the “matrilateral bias” in grandmaternal investment. Here, we synopsize the evolutionary theories that predict such a bias, and review evidence of its cross-cultural generality and magnitude. Evolutionists have long maintained that investing in a daughter’s child yi...
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ژورنال
عنوان ژورنال: Proceedings of the National Academy of Sciences
سال: 2017
ISSN: 0027-8424,1091-6490
DOI: 10.1073/pnas.1705910114