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Which Statement Is True About Sex Determination in Drosophila

Question 15

Multiple Choice

Which statement is true about sex determination in Drosophila?


A) Alternative splicing of Sxl transcripts in females results in an active protein that directs alternative splicing of tra transcripts in females.
B) Sxl protein is produced early in males and it directs splicing of its own RNA to produce more Sxl in males.
C) Four autosomal genes produce transcription factors in males and the transcription factors activate male-specific gene expression.
D) Tra and Tra2 act together in males to alternatively splice dsx transcripts so that Dsx-M is produced.

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