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Article

Adaptive sex ratio variation in pre–industrial human ( <i>Homo sapiens</i> ) populations?

7 Apr 1998

Abstract excerpt

Sex allocation theory predicts that in a population with a biased operational sex ratio (OSR), parents will increase their fitness by adjusting the sex ratio of their progeny towards the rarer sex, until OSR has reached a level where the overproduction of either sex no longer increases a parent's probability of having grandchildren. Furthermore, in a monogamous mating system, a biased OSR is expected to lead to...

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PMID: 9881467
DOI: 10.1098/rspb.1998.0331

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