NEET2022Botany-Genetic Regulation
NEET 2022 Botany Lac Operon MCQ Question
Type: MCQ-conceptual-Medium-Class 12
In an E.coli strain γ gene gets mutated and its product can not bind the inducer molecule. If growth medium is provided with lactose, what will be the outcome?
A
z, y, a genes will not be translated
B
RNA polymerase will bind the promoter region
C
Only z gene will get transcribed
D
z, y, a genes will be transcribed
Correct Answer
Option A
Detailed Explanation
If the inducer cannot bind due to mutation, the repressor will not be removed, preventing transcription of the z, y, and a genes.
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