Which Statement Does Not Apply to Sex Determination in Drosophila

question 10

Multiple Choice

Which statement does not apply to sex determination in Drosophila?

• A) Sxl gene is turned on early in development only in XX embryos.
• B) Sxl gene is never turned on in XY embryos.
• C) Sxl gene is the master regulator of sex determination in Drosophila.
• D) SXL protein is a regulator of splicing of Sxl transcripts.
• E) Sxl transcript can be differentially spliced.

Relate the structural adaptations of protists to their habitats and lifestyles.

Comprehend the evolutionary history and relationships of protists as revealed by phylogenetic studies.

Recognize the significance of protists in nutrient cycles and their roles as primary producers and decomposers.

Understand the basic concepts of genetic modification and traditional plant breeding.

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