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AIPMT MAINS2010Botany-Genetics

AIPMT MAINS 2010 Botany Gene Expression MCQ Question

Type: MCQ-conceptual-Medium-Class 12

The lac operon consists of

A

Four regulatory genes only

B

One regulatory gene and three structural genes

C

Two regulatory genes and two structural genes

D

Three regulatory genes and three structural genes

Correct Answer

Option B

Detailed Explanation

The lac operon consists of one regulatory gene (i) and three structural genes (z, y, a).

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