Unformatted text preview: the O region but not to lactose. Which of the following would describe the transcription of the structural genes (Z, Y & A) of the lac operon ? a. the genes would never be transcribed b. the genes would always be transcribed c. the genes would only be transcribed if lactose was present d. the genes would only be transcribed if glucose was present e. none of the above 24. Which of the following reaction norms suggests that the size difference between two populations is due to genetic differences alone? a. b. c. d. e....
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- Fall '10