treeofliife

treeofliife OP t1_j0xx1p2 wrote on December 20, 2022 at 5:48 AM

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 🙏

treeofliife OP t1_j0v1tsd wrote on December 19, 2022 at 5:12 PM

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.