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(C) Gel electrophoresis is a technique used to separate $DNA$ fragments based on their size.In this process,$DNA$ fragments are loaded into an agarose

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Size of $DNA$

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(C) Gel electrophoresis is a technique used to separate $DNA$ fragments based on their size.In this process,$DNA$ fragments are loaded into an agarose gel matrix.When an electric current is applied,the negatively charged $DNA$ molecules move towards the anode.The gel acts as a molecular sieve,where smaller fragments move faster and travel further through the pores of the gel,while larger fragments move more slowly.Therefore,the separation is primarily based on the molecular size of the $DNA$ fragments.

In gel electrophoresis,the $DNA$ fragments separate according to ........

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