ke_marshall t1_jabe17i wrote on February 28, 2023 at 5:12 AM Reply to comment by amador9 in Why does temperature determine the sex of certain egg laying animals like crocodiles? by insink2300 It depends on the species. Some have them, some don't: https://journals.plos.org/plosbiology/article/figures?id=10.1371/journal.pbio.1001899 My favorite fun fact is that sex determination in birds is exactly opposite to mammals: the females are heterogametic. They are ZW, while males are ZZ. Permalink Parent 40
ke_marshall t1_jabe17i wrote
Reply to comment by amador9 in Why does temperature determine the sex of certain egg laying animals like crocodiles? by insink2300
It depends on the species. Some have them, some don't: https://journals.plos.org/plosbiology/article/figures?id=10.1371/journal.pbio.1001899
My favorite fun fact is that sex determination in birds is exactly opposite to mammals: the females are heterogametic. They are ZW, while males are ZZ.