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Question

How many fragments will be generated if you digest a linear DNA molecule with a restriction enzyme having four recognition sites on the DNA?

A
3
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B
6
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C
5
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D
4
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Solution

The correct option is C 5
If DNA is linear then the number of fragments generated is (N+I), where N= number of recognition sites or sequences. Hence, the number of fragments generated is 5 if we digest a linear DNA molecule with a restriction enzyme having four recognition sites on the DNA.

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