.In Drosophila, the XXY condition leads to femaleness whereas in human beings the same condition leads to Klinefelter’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.

.In Drosophila, the XXY condition leads to femaleness
whereas in human beings the same condition leads
to Klinefelter’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.
by

1 Answer

Answer :

(a) in human beings Y chromosome is active in sex
determination
by

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