Socioeconomic status determines sex-dependent survival of human offspring | Zendy

David van Bodegom | Zendy; Maarten Pieter Rozing | Zendy; Linda May | Zendy; Hans J. Meij | Zendy; Fleur Thomése | Zendy; Bas J. Zwaan | Zendy; Rudi G. J. Westendorp | Zendy

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Socioeconomic status determines sex-dependent survival of human offspring

Author(s) -

David van Bodegom,

Maarten Pieter Rozing,

Linda May,

Hans J. Meij,

Fleur Thomése,

Bas J. Zwaan,

Rudi G. J. Westendorp

Publication year - 2013

Publication title -

evolution medicine and public health

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 1.427

H-Index - 22

ISSN - 2050-6201

DOI - 10.1093/emph/eot002

Subject(s) - socioeconomic status , offspring , demography , psychology , developmental psychology , biology , sociology , pregnancy , genetics , population

In polygynous societies, rich men have many offspring through the marriage of multiple wives. Evolutionary, rich households would therefore benefit more from sons, and according to the Trivers-Willard hypothesis, parents invest more in offspring of the sex that has the best reproductive prospects. We determined the sex differences in number of offspring, sex ratio of offspring, offspring survival and offspring weight in rich and poor households in a polygynous population.

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