Home Biology Biotechnology Principles and Processes NCERT The most common tool of genetic engineering
Biology Biotechnology Principles and Processes NCERT Single Correct MCQ
Published on: August 12, 2026

The most common tool of genetic engineering

A
PBR 366 plasmid of Escherichia coli
B
M 13 plasmid of haemophilus a egyptius
C
PBR 322 plasmid of Escherichia coli
D
PCR 238 plasmid of bacillus globigil

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Text Solution

Verified by Experts
The correct answer is:
C

pBR322 is one of the most widely used cloning vectors in genetic engineering. It contains:

• ori (origin of replication)

• ampᴿ (ampicillin resistance gene)

• tetᴿ (tetracycline resistance gene)

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