Which of the Following Statements About How Fruit Flies Can

question 7

Multiple Choice

Which of the following statements about how fruit flies can develop an eye in the middle of a leg is TRUE?

• A)When the Ey gene is expressed in adult leg cells, these cells dedifferentiate and become eye cells.
• B)The Ey gene encodes a transcription regulator that is the only transcription regulator used to produce a fruit fly eye.
• C)When the Ey gene is introduced into cells that would normally give rise to a leg, the transcription regulators used to control its expression in the leg are different from those that are normally used to control Ey expression in the eye.
• D)All the eye cells found in the adult leg are a single cell type and have identical characteristics.

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