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What is the main use of PCR?

Answer and explanation

Correct answer: Making many copies of a specific DNA segment

PCR is an in vitro technique that uses primers, nucleotides and DNA polymerase to produce many copies of a selected DNA segment. Therefore, its main use is DNA amplification. Option B is incorrect because cutting DNA is performed by restriction enzymes, not by PCR. Exam tip: Remember PCR as the rapid amplification of a specific DNA segment.

Related tags

PcrDna AmplificationGenetic EngineeringBiotechnologyPrinciples Of BiotechnologyClass 11 Mcq

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