Scientists discovered that removing specific molecules from developing mice can completely reverse their sex from male to female.
Scientists discovered that removing specific molecules from developing mice can completely reverse their sex from male to female.
This study was done in the womb before society could get their grubby paws (pun intended) all over the mice and assign a gender.
Anti-trans people would see a naturally formed penis or vagina on somebody and say that’s the gender. I don’t think they care about chromosomes.
They care about chromosomes if they can throw them in a trans person’s face.