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Which of the following is the correct pathway for developing female characters?

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Which of the following is the correct pathway for developing female characters?

(a) Sxl- SR- Tra- Dsx- Male gene repression

(b) Sxl- Tra- SR- Dsx- Male gene repression

(c) Sxl- Tra- Dsx- SR- Male gene repression

(d) Sxl- SR- Dsx- Tra- Male gene repression

This question was posed to me in an online quiz.

Origin of the question is Sex Determination in Drosophila topic in portion Chromosomes and Sex Determination of Cytogenetics

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Right option is (b) Sxl- Tra- SR- Dsx- Male gene repression

For explanation: Functional Sxl proteins, controls the splicing of tra gene and produces functional Tra protein. Tra interacts with SR proteins controlling splicing of Dsx giving female specific DsxF which ultimately represses male specific characters.

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