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Question

When DNA fragments are subjected to an electrical current on a gel, the ...........fragments move to the farthest :-

A
t-RNA
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B
largest
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C
smallest
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D
DNA library
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Solution

The correct option is C smallest
In agarose gel electrophoresis, the DNA fragments separate out (resolve) according to their size or length because of the sieving property of agarose gel. It means, the smaller the fragment size, the farther it will move.

The correct answer is option C.

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