Sex Aneuploidy - Turner & Klinefelter Syndrome Past Year (1998 - 2005) MCQs Principles of Inheritance & Variation Botany NEET Practice Questions, MCQs, Past Year Questions (PYQs), NCERT Questions, Question Bank, Class 11 and Class 12 Questions, and PDF solved with answers

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

1.	In human beings, the Y chromosome is active in sex determination.
2.	Y chromosome is active in sex determination in both human beings and Drosophila.
3.	In Drosophila Y-chromosome decides femaleness.
4.	The Y chromosome of man has genes for the syndrome.

Subtopic: Sex Aneuploidy - Turner & Klinefelter Syndrome |

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