If the Gene Encoding the Trp Repressor Is Mutated Such

If the gene encoding the trp repressor is mutated such that it can no longer bind tryptophan but can still bind the operon, will transcription of the trp operon occur?

A) Yes, because the trp repressor can bind the trp operon and block transcription only when it is bound to tryptophan.
B) No, because this mutation does not affect the part of the repressor that can bind the operator.
C) No, because the trp operon is repressed only when tryptophan levels are high.
D) Yes, because the trp operon can allosterically regulate the enzymes needed to synthesize the amino acid tryptophan.
E) No, because the repressor will be continuously bound to the operator.

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