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Article

Extraordinary sex ratios: cultural effects on ecological consequences.

PloS one - 1 Jan 2012

Molnár Ferenc, Caraco Thomas, Korniss Gyorgy

Abstract excerpt

We model sex-structured population dynamics to analyze pairwise competition between groups differing both genetically and culturally. A sex-ratio allele is expressed in the heterogametic sex only, so that assumptions of Fisher's analysis do not apply. Sex-ratio evolution drives cultural evolution of a group-associated trait governing mortality in the homogametic sex. The two-sex dynamics under resource limitation...

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Identifiers

PMID: 22952669
DOI: 10.1371/journal.pone.0043364
PMCID: PMC3428370

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