In Drosophila,dosage Compensation Is Controlled by the Male-Specific Lethal (MSL)complex

question 56

Multiple Choice

In Drosophila,dosage compensation is controlled by the male-specific lethal (MSL) complex consisting of MSL proteins and roX RNAs.Based on what you know about dosage compensation,the role of the MSL complex in males would be to

• A)double the level of expression of genes on the X chromosome.
• B)increase the level of expression of genes on the X chromosome by 50%.
• C)decrease the level of expression of genes on the X chromosome by 50%.
• D)decrease the level of expression of genes on the X chromosome by 100%.
• E)double the level of expression of genes on the Y chromosome.

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