Not sure if this has already been discussed. Biologist on chromosomal sex.

[TickledOnion]

I’ve been off MN for a while so may have missed a discussion on this. m.facebook.com/story.php?story_fbid=1554835678010878&id=119810451513415&ref=content_filter

My brother posted that horse shit on FB, aimed at me. I'm not convinced.