Sex is more complicated than just X and Y

By Dr Mary McMillan
May 7 2019 - 7:00am
Sex is more complicated than just X and Y
Sex is more complicated than just X and Y

If you've got two X chromosomes you're a woman, if you've got an X and a Y you're a man, and that's all there is to it ... if I had a dollar for every time I'd heard this, I'd be kicking back relaxing in a million-dollar mansion somewhere.