NEET Zoology Recombinant DNA MCQ Question
What is the role of ligase in the preparation of recombinant DNA?
To join the cut DNA fragments together
To amplify the DNA for cloning
To cut DNA at specific sequences
To provide a selectable marker for growth
Correct Answer
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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