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Question

In agarose gel electrophoresis, DNA molecules are separated on the basis of their:

A
Charge only
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B
Size only
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C
Charge to size ratio
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D
All of these
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Solution

The correct option is B Size only
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.

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