Why are lactose intolerant people incapable of producing lactase?
A) The gene that expresses lactase is missing.
B) Transcription factor binds to the promoter site and does not express lactase.
C) Transcription factor does not bind to the promoter site and does not express lactase.
D) The RNA that is transcribed from the lactose gene fails to translate amino acids into lactase.
Correct Answer:
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