Recent, empirical evidence suggests that quantitative genetic variation underlying sexually selected traits is exhausted and, therefore, that females gain no genetic benefits from their mating biases. Here, I show that male mating success responded to bidirectional, artificial selection in Drosophila melanogaster. Moreover, inbreeding depression in egg-to-adult viability was purged in success-selected populations, which aligned with a reduction in gene diversity identified using genomics. These results show that genetic variation was not exhausted along the axis of precopulatory sexual selection, and that female mating biases align with the avoidance of bad genes.
|Qualification||Doctor of Philosophy|
|Award date||20 Feb 2018|
|Publication status||Unpublished - 2018|