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Y chromosome plays a very significant role in the sex determination of Drosophila.

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in Biology – Class 12 by (271k points)
Y chromosome plays a very significant role in the sex determination of Drosophila.

(a) True

(b) False

I had been asked this question in an interview for internship.

The doubt is from Inheritance Principles in section Principles of Inheritance and Variation of Biology – Class 12

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Correct answer is (b) False

The best I can explain: The Y-chromosome does not play any role in the sex determination of Drosophila. According to C.B. Bridges, the ratio between the number of X-chromosome and the set of autosomes determines the sex of Drosophila.

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