question_answer

In Drosophila the XXY condition leads to femaleness whereas in human beings the same condition leads to Klienfelter's syndrome in male. It proves:

A) In human beings Y chromosome is active in sex determination

B) Y chromosome is active in sex determination in both human beings and Drosophila

C) In Drosophila Y-chromosome decides femaleness

D) Y chromosome of man have genes for syndrome