MarksRiser
MarksRiser
Zoology-Recombinant DNA

NEET Zoology Recombinant DNA MCQ Question

Type: MCQ-fact-Hard-Class 12

What is the role of ligase in the preparation of recombinant DNA?

A

To join the cut DNA fragments together

B

To amplify the DNA for cloning

C

To cut DNA at specific sequences

D

To provide a selectable marker for growth

Correct Answer

Option A

Detailed Explanation

Ligase is added after the source DNA and vector DNA are cut, allowing the cut 'gene of interest' to be joined to the cut vector, resulting in the preparation of recombinant DNA.

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