Drosophila flies with XXY genotype are females, but human beings with such genotype are…
Biology · NEET · NTA Exams — Principles of Inheritance and Variation
Drosophila flies with XXY genotype are females, but human beings with such genotype are abnormal males. It shows that:
- Y-chromosome is essential for sex determination in Drosophila
- Y-chromosome is female determining in Drosophila
- Y-chromosome is male determining in human beings
- Y-chromosome has no role in sex determination, either in Drosophila or in human beings
Answer
(A) Y-chromosome is essential for sex determination in Drosophila
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