In Drosophila, XXY is female. In humans it represents a male because

In Drosophila Xxy is female .In humans it represents an abnormal male because

In Drosophila the males have

In Drosophila the males have

In Drosophi, XXY represents a female but in human it is an abnormal male .It shows that :

A cross between white eyed female and red eyed male Drosophila gives rise red eyed female and white eyed male. Rarely the cross gives rise to white eyed females and red eyed males . This is due to

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

Haemophilia is more commonly seen in human males than in human female because:

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