Nettie Stevens: Discovered X (big) Y (small) sex chromosomes
Posted: Sat Jun 11, 2022 11:37 am
https://en.wikipedia.org/wiki/Nettie_Stevens
This, of note, explains why powerful men tend to have female children, whereas powerful women, tend to have male children.
This, of note, explains why powerful men tend to have female children, whereas powerful women, tend to have male children.