Skip navigation
Skip navigation

Not all sex ratios are equal: The Fisher condition, parental care and sexual selection

Jennions, Michael D.; Fromhage, Lutz


The term ‘sex roles’ encapsulates male–female differences in mate searching, competitive traits that increase mating/fertilization opportunities, choosiness about mates and parental care. Theoretical models suggest that biased sex ratios drive the evolution of sex roles. To model sex role evolution, it is essential to note that in most sexually reproducing species (haplodiploid insects are an exception), each offspring has one father and one mother. Consequently, the total number of offspring...[Show more]

CollectionsANU Research Publications
Date published: 2017
Type: Journal article
Source: Philosophical Transactions of the Royal Society of London Series B
DOI: 10.1098/rstb.2016.0312


File Description SizeFormat Image
01_Jennions_Not_all_sex_ratios_are_equal%3A_2017.pdf480.63 kBAdobe PDF    Request a copy

Items in Open Research are protected by copyright, with all rights reserved, unless otherwise indicated.

Updated:  19 May 2020/ Responsible Officer:  University Librarian/ Page Contact:  Library Systems & Web Coordinator