IGNOU BBCCT 125 2026 - Explain how restriction endonucleases and gel electrophoresi

Question

Explain how restriction endonucleases and gel electrophoresis are used together to isolate and analyze a specific DNA fragment.

09 Feb 2026

Answer :

Word Count : 255

Restriction endonucleases are enzymes that act like molecular scissors, cutting DNA at specific sequences known as recognition sites. Each enzyme recognizes a particular sequence of nucleotides and cleaves the DNA at or near that site, producing fragments of predictable lengths. This property is crucial in genetic engineering because it allows scientists to target and

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