ignis389 t1_j0unw75 wrote on December 19, 2022 at 3:38 PM Reply to TIL that The sex of birds is determined by the Z and W sex chromosomes, rather than by the X and Y chromosomes present in mammals. Male birds have two Z chromosomes (ZZ), and female birds have a W chromosome and a Z chromosome (WZ). by treeofliife So if i have a shirt with male birds on it, is it a ZZ Top? Permalink 39
ignis389 t1_j0unw75 wrote
Reply to TIL that The sex of birds is determined by the Z and W sex chromosomes, rather than by the X and Y chromosomes present in mammals. Male birds have two Z chromosomes (ZZ), and female birds have a W chromosome and a Z chromosome (WZ). by treeofliife
So if i have a shirt with male birds on it, is it a ZZ Top?