Gel electrophoresis sorts DNA molecules on the basis of their

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Gel electrophoresis sorts DNA molecules based on their size. As the DNA is placed in the gel and an electric field is applied, smaller fragments of DNA will move more quickly through the gel, while larger fragments will migrate more slowly. By comparing the migration of DNA fragments of known size to those of unknown size, researchers can estimate the size of the unknown fragments.

Gel Electrophoresis Sorts DNA Molecules on the Basis of Their