Article
Stay or stray? Evidence for alternative mating strategy phenotypes in both men and women.
Biology letters - 1 Feb 2015
Wlodarski Rafael, Manning John, Dunbar R I M
Abstract excerpt
In all comparative analyses, humans always fall on the borderline between obligate monogamy and polygamy. Here, we use behavioural indices (sociosexuality) and anatomical indices (prenatal testosterone exposure indexed by 2D : 4D digit ratio) from three human populations to show that this may be because there are two distinct phenotypes in both sexes. While males are more promiscuous and display higher prenatal...
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