Which of the following enzyme(s) are NOT essential for gene cloning?A. Restriction enzymesB. DNA ligaseC. DNA mutaseD. DNA recombinaseE. DNA polymeraseChoose the correct answer from the options given below :

1. C and D only

2. A and B only

3. D and E only

4. B and C only

Doubtly Asked 30 Oct 2026 NEET UG 2025 Practice test neet Save WhatsApp Report

1 answer

Best answer

Answer: 1. C and D only

Key idea: Gene cloning needs enzymes to cut (restriction enzymes), join (DNA ligase), and make copies (DNA polymerase).

'DNA mutase' (C) and 'DNA recombinase' (D) are not required for the standard cloning steps. So C and D are not essential. Option 1.

Doubtly AI · 30 Oct 2026 AI-generated · not yet verified Report

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