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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

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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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