Which letters of the alphabet are used to identify the chromosomes determining gender in humans?
Correct answer: X & Y
Sarah
Nettie Stevens discovered gender in 1905 and that the father is the one who determines the x or the y. She discovered this by studying the genitalia of insects, (why insects, I don't know!) Love science!!
Queen Esther
yup learned about this in 6th grade!! I liked learning about!! this!! and how to reproduce!! its nice!!
Manar
males identify the gender
Laura
Sarah, Insects are cheap and easy to raise, and they produce a new generation every few days.
Marcy
why not believe that Someone also found out Chromosomes in birds the ZW while in Humans the XY
Ken
Dr h , I wholeheartedly agree.