Biology Biotechnology Principles and Processes All Topic Question For Revision Test Single Correct MCQ
Published on: August 13, 2026

A biologist intends to use a polymerase chain reaction to perform a genetic task. The biologist probably is trying to

A
discover new genes.
B
clone a gene.
C
cut DNA into many small fragments.
D
isolate DNA from a living cell.

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Text Solution

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The correct answer is:
B

PCR (Polymerase Chain Reaction) is a technique used to amplify DNA, i.e., make multiple identical copies of a specific DNA segment. This is essentially a form of gene cloning in vitro (without using a host organism).

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