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Gel electrophoresis is used for (a) cutting of DNA into fragments

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Gel electrophoresis is used for 

(a) cutting of DNA into fragments 

(b) separation of DNA fragments according to their size 

(c) construction of recombinant DNA by joining with cloning vectors 

(d) isolation of DNA molecule

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1 Answer

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Best answer

Correct option: (b) separation of DNA fragments according to their size

Explanation:

Gel electrophoresis is a technique to separation of DNA fragments according to their size. DNA is negatively charged so in gel tank when electric passed, DNA move towards positive electrode.

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