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Which of these genes is responsible for the development of sex of Drosophila?

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Which of these genes is responsible for the development of sex of Drosophila?

(a) Xce

(b) Xist

(c) XIC

(d) Sxl

The question was posed to me in examination.

The doubt is from Sex Determination in Drosophila topic in section Chromosomes and Sex Determination of Cytogenetics

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Right option is (d) Sxl

The explanation: Sxl or sex lethal gene is responsible for the development of male or female characters in Drosophila. Other genes mentioned work in human beings.

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