the-operator-locus-of-lac-operon-may-undergo-mutation-when-it-mutates-it-preclud

Question

The operator locus of the lac operon may undergo mutation. When it mutates, it precludes the repressor from recognizing and binding to the operator. Which of the following may likely result from this mutation?

Accepted Answer

LacZ, lacY, and lacA are expressed even in the absence of lactose.

Answer

The regulated genes will not be expressed even in the presence of lactose.

Answer

The genes will produce a different enzyme.

Answer

The transcription will be stopped.

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The operator locus of the lac operon may undergo mutation. When it mutates, it precludes the repressor from recognizing and binding to the operator. Which of the following may likely result from this mutation?