The technique used to visualize and separate DNA fragments based on size is:

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Agarose gel electrophoresis separates DNA fragments by size as they move through the gel under an electric field; smaller fragments migrate faster. DNA is stained with ethidium bromide and visualized under UV light. PCR amplifies DNA, centrifugation separates by density, microscopy provides magnified images. Gel electrophoresis is essential in molecular biology and forensics.

The technique used to visualize and separate DNA fragments based on size is: MCQ with Answer and Explanation

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