Thursday 7 July 2016

Nettie Stevens

A Google Doodle for the 155th birthday of Nettie Stevens, pioneering geneticist who found the X and Y chromosomes. “Before Stevens’ work, scientists thought that the mother or the environment determined if a child was born male or female.” Which allowed Henry VIII to get away with dumping wives for giving him daughters, for example.

No comments:

Post a Comment