Mechanisms specifying sexual phenotype. Mammals: XY chromosomal, SRY triggers testis differentiation. Birds: ZW, females heterogametic. Reptiles: temperature-dependent. Fish: plastic.
Mechanisms specifying sexual phenotype. Mammals: XY chromosomal, SRY triggers testis differentiation. Birds: ZW, females heterogametic. Reptiles: temperature-dependent. Fish: plastic.