"Drosophila melanogaster" was introduced into the field of genetic experiments by  an American evolutionary biologist who won a Nobel Price in what year?
Thomas Hunt Morgan: Thomas Hunt Morgan (September 25, 1866 – December 4, 1945) was an American evolutionary biologist, geneticist, embryologist, and science author who won the Nobel Prize in Physiology or Medicine in 1933 for discoveries elucidating the role that the chromosome plays in heredity.
i don't know