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klio [65]
3 years ago
13

How can we separate DNA fragments from gel electrophoresis

Biology
2 answers:
Tamiku [17]3 years ago
6 0

Answer:

Gel electrophoresis is a technique used to separate DNA fragments according to their size. DNA samples are loaded into wells (indentations) at one end of a gel, and an electric current is applied to pull them through the gel. DNA fragments are negatively charged, so they move towards the positive electrode.

Explanation:

aliya0001 [1]3 years ago
4 0

Answer:

DNA molecule is negatively charged, it can be pulled through the gel by an electric field. Small DNA molecules move more quickly through the gel than larger DNA molecules. As they are negatively charged they move towards the anode under an electric field. Then the separated bonds cut from the gel and get extracted by using a conventional technique. The eluted DNA fragments are then purified and used in recombinant DNA.

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