True… true…. but not for about 4.6 million years. So I doubt it will be an all-female society by then, probably not even Human. And earth may be a cinder. Life on Mars? Or will man have boldly gone….
I don’t remember the exact figure but I think its that about 30% of men over 70 have lost their Y chromosome already. It only has one function – very simplistically; to make little girls grow balls and turn into boys. We are lucky – it didn’t work properly. And it’s not necessary for life – GG’s don’t have one.
(I am doing a post on this in a few days time )