Restriction enzymes are used in genetic engineering because:

Biology Biotechnology Principles and Processes Processes of Recombinant DNA Technology Single Correct MCQ

Published by: CGP EDU Academic Team

Published on: August 13, 2026

They can cut DMA at specific base sequence

They are nuclease that can cut DMA at variable sites

They can join different DMA fragments

They are proteolytic enzymes which can degrade harmful proteins

Text Solution

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The correct answer is:

Restriction enzymes (restriction endonucleases) are essential in genetic engineering because they:

Recognize specific palindromic DNA sequences.

Cut DNA at these specific sites, producing sticky or blunt ends.

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