Mutations in Certain Components of the Cell-Cycle Machinery in Drosophila

question 41

Multiple Choice

Mutations in certain components of the cell-cycle machinery in Drosophila melanogaster can be used to slow down the rate of progression through the cell cycle in the wing imaginal discs of the fly larvae, without a major effect on the rate of cell growth. As a result, compared to wild-type flies, the wing in the mutant flies would …

• A) have a larger size (area) with a higher number of relatively normal cells.
• B) have the same size, but with a higher number of relatively smaller cells.
• C) have the same size, but with a smaller number of relatively larger cells.
• D) have a smaller size with the same number of relatively smaller cells.
• E) have a smaller size with a smaller number of relatively normal cells.

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