On anisogamy and the evolution of 'sex roles'.


In a recent Opinion piece, Schärer et al. [1] claim that the ‘sex roles’ we observe in nature, with predominant male– male competition (i), female choosiness (ii), and conventional care patterns (iii), cannot be due to chance, but must be due to sex-specific selection ultimately caused by anisogamy. Here I discuss several problems with their Opinion… (More)
DOI: 10.1016/j.tree.2012.04.004


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