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Question
Gel electrophoresis is used for ______.
Options
construction of recombinant DNA by joining with cloning
isolation of DNA molecules
cutting of DNA into fragments
separation of DNA fragments according to their size
MCQ
Fill in the Blanks
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Solution
Gel electrophoresis is used for separation of DNA fragments according to their size.
Explanation:
Gel electrophoresis separates DNA fragments by size; smaller fragments travel farther through the gel. DNA is cut by restriction endonucleases and joined by DNA ligase.
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