Monash University

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The maintenance of a colour pattern polymorphism with sex-specific fitness consequences in an Australian skink

posted on 2020-05-21, 03:37 authored by GENEVIEVE DANAE MATTHEWS
Males and females often have different needs, resulting in differential expression of the same trait. This thesis presents a model to measure the reduction in fitness during the evolution of sexual dimorphism in males and females, finding that this varies broadly. The thesis also uses a presence/absence stripe that varies in males and females of an Australian lizard to test ecological and genetic factors influencing the maintenance of variation using models and experimental data. The stripe inheritance mechanism may depend on many genes rather than a few, and its function is a combination of thermoregulation and camouflage from bird predators.


Principal supervisor

David Gregory Chapple

Year of Award


Department, School or Centre

Biological Sciences


Doctor of Philosophy

Degree Type



Faculty of Science

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    Faculty of Science Theses