Nettie Stevens discovered XY intercourse chromosomes. She did not get credit because she had two X’s.

Nettie Stevens discovered XY intercourse chromosomes. She did not get credit because she had two X’s. During the change of this century that is 20th biologist Nettie Stevens ended up being driven to resolve a systematic secret which had perplexed mankind for millennia. The secret had been therefore easy but daunting: Why do men be… Nettie Stevens discovered XY intercourse chromosomes. She did not get credit because she had two X’s. weiterlesen