Skip to main content

All Questions

Tagged with
Filter by
Sorted by
Tagged with
4 votes
1 answer
10k views

When was it discovered XY chromosomes decide the sex of a child in humans?

Several stories are told from before-genetic-age (books and movies are my reference, the one present in my mind is Marie-Antoinette by Copola) in which we can always see that women are blamed for ...
Patrick B.'s user avatar
5 votes
2 answers
25k views

Why are the sex chromosomes called X and Y?

Is there a specific reason that the letter Y is used as the symbol for the male chromosome and X is used for the female chromosome?
John Curren Chapman's user avatar