We are using novel genetic, molecular and cytological approaches to build a picture of the mechanisms of sex determination in the central bearded dragon, Pogona vitticeps and other squamates. Central questions we address are: Which chromosomes are the sex chromosomes and what genes do they contain among which is the master switch? How does temperature exert its influence in species with thermolabile sex? What drives transitions in the relative influence of genotype and environment, and how do gene-environment interactions play out in the wild?
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