NEET2026Zoology-Genetic Engineering
NEET 2026 Zoology Cloning Vectors MCQ Question
Type: MCQ-conceptual-Medium-Class 12
Insertion of a foreign DNA at BamHI site in an E.coli cloning vector pBR₃₂₂ results in the loss of antibiotic resistance towards:
A
Ampicillin and tetracycline
B
Ampicillin
C
Tetracycline
D
Gentamycin
Correct Answer
Option C
Detailed Explanation
If one ligate a foreign DNA at the BamHI site of tetracycline resistance gene in the vector pBR₃₂₂, the recombinant plasmid will lose tetracycline resistance due to insertion of foreign DNA.
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