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Question

Which of the following statements is/are associated with role of enzymes in genetic engineering?

1. Exonucleases remove nucleotides from the ends of DNA

2. Restriction endonucleases are used to form recombinant molecule of DNA

Select the answer using the code given below:

This question was previously asked in
CDS 2 2026 Maths Question Paper (13-Sep-2026)
The correct answer is

Both 1 and 2

Both statements are correct. Exonucleases cleave nucleotides one at a time from the ends of a DNA strand, while restriction endonucleases cut DNA at specific internal recognition sequences and are widely used to generate recombinant DNA molecules in genetic engineering.

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