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Coevolution of parental investment and sexually selected traits drives sex-role divergence

Fromhage, Lutz; Jennions, Michael

Description

Sex-role evolution theory attempts to explain the origin and direction of male–female differences. A fundamental question is why anisogamy, the difference in gamete size that defines the sexes, has repeatedly led to large differences in subsequent parental care. Here we construct models to confirm predictions that individuals benefit less from caring when they face stronger sexual selection and/or lower certainty of parentage. However, we overturn the widely cited claim that a negative feedback...[Show more]

CollectionsANU Research Publications
Date published: 2016
Type: Journal article
URI: http://hdl.handle.net/1885/153566
Source: Nature Communications
DOI: 10.1038/ncomms12517
Access Rights: Open Access

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