Edmund Beecher Wilson (1856-1939) was an American geneticist and zoologist, he discovered the chromosomal XY sex-determination system in 1905, Nettie Stevens also decribed the system in 1905.
Edmund Beecher Wilson (1856-1939) was an American geneticist. Edmund Beecher Wilson (1856-1939) was zoologist. He discovered the chromosomal XY sex-determination system in 1905. Nettie Stevens also decribed the system in 1905.