Ontology highlight
ABSTRACT:
SUBMITTER: Fromhage L
PROVIDER: S-EPMC4992156 | biostudies-literature | 2016 Aug
REPOSITORIES: biostudies-literature
Fromhage Lutz L Jennions Michael D MD
Nature communications 20160818
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 ...[more]