Question

Fan & Medle
How is it possible to sort different lengths of DNA strands using gel electrophoresis?

Answer 1

DNA electrophoresis is a method used to sort DNA molecules by length. Pieces of DNA are suspended in a tray of gel and subjected to an electric field, which causes them to migrate toward one end of the tray. The DNA separates out into bands, with the distance from the electrode corresponding to length of the strand. The technique plays a role in identifying genes for diagnosing disease and for other forms of genetic research.

Answer 2

gel electrophoresis separates molecules by charge

Answer 3

Thank you.

Answer 4

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