Biology Biotechnology Principles and Processes Tools Of Recombinant DNA Technology Single Correct MCQ
Published on: August 11, 2026

In pBR322, BamH I site is located in-

A
Ampicillin resistance gene
B
Tetracycline resistance gene
C
Between ampicillin and tetracyline resistance genes
D
In both ampicillin and tetracycline resistance genes

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Text Solution

Verified by Experts
The correct answer is:
B

In pBR322, the BamHI restriction site is located within the tetracycline resistance (tetR) gene, so insertion of foreign DNA at this site inactivates tetracycline resistance.

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