treeofliife
treeofliife OP t1_j0v1tsd wrote
Reply to comment by Xploited_HnterGather in 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
Wow didn't know that. How did you see it in real time?
Sequencial hermaphroditism is also pretty interesting.
treeofliife OP t1_j0xx1p2 wrote
Reply to comment by marmorset in 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
Thanks for tagging me 🙏