Sex genes in birds

genes birds Sex in

genes birds Sex in

genes birds Sex in

genes birds Sex in

In contrast to the XY sex-determination system and the X0 sex-determination systemwhere the sperm determines the sex, in the ZW system, the ovum determines Sex genes in birds sex of the offspring. It is unknown whether it might be that the presence of the W chromosome induces female features, or whether instead it is the duplication of the Z chromosome that induces male ones; unlike mammals, no birds with a double W chromosome ZWW or a single Z Z0 have been discovered. By using this site, you agree to the Terms of Use and Privacy Sex genes in birds.

#Sex genes in