Published by:
CGP EDU Academic Team
Published on: August 21, 2026
pBR-322 which is frequently used as a vector for cloning gene is–
Text Solution
Verified by ExpertsThe correct answer is:
B
pBR322 is one of the most commonly used cloning vectors in genetic engineering. It is an artificially modified plasmid derived from a bacterial plasmid and contains:
• Origin of replication (ori)
• Ampicillin resistance gene (amp R )
• Tetracycline resistance gene (tet R )
• Several unique restriction sites for insertion of foreign DNA.
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