DNA gel electrophoresis begins with using enzymes that do what

separate DNA fragments according to their size.

Explanation:

Gel Electrophoresis of DNA demonstrates how DNA can be specifically cut into fragments by restriction enzymes and then can be separated by fragment size on an agarose gel.

i think that is new experiments yield untrustworthy data and should be carefully considered, because you don't know what will happen with the experiments.

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