Using experimental divergence in competitive mating success to test sexual selection theory

Robert James Dugand

Research output: ThesisDoctoral Thesis

205 Downloads (Pure)

Abstract

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.
Original languageEnglish
QualificationDoctor of Philosophy
Awarding Institution
  • The University of Western Australia
Supervisors/Advisors
  • Tomkins, Joseph, Supervisor
  • Kennington, Jason, Supervisor
Thesis sponsors
Award date20 Feb 2018
DOIs
Publication statusUnpublished - 2018

    Fingerprint

Cite this