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As Human and Drosophila both follow XY system of sex determination, a male in human is always a male in drosophila and same is for female.

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As Human and Drosophila both follow XY system of sex determination, a male in human is always a male in drosophila and same is for female.

(a) True

(b) False

I had been asked this question in quiz.

This intriguing question comes from Sex Determination in Drosophila topic in section Chromosomes and Sex Determination of Cytogenetics

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Right option is (b) False

The best I can explain: Even though Human and drosophila both have XY system it is named so just depending on the structural constitution of chromosomes of normal male and female. However, the mechanism of maleness and femaleness development in both cases in very different.

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