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Question

Polymerase chain reaction is used for

  1. In vivo synthesis of mRNA
  2. In vitro replication of DNA segment
  3. In vivo replication
  4. In vitro synthesis of mRNA

A
In vitro replication of DNA segment
B
In vitro synthesis of mRNA
C
In vivo synthesis of mRNA
D
In vivo replication
Solution
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C. In vitro replication of DNA segment
Solution : Polymerase chain reaction is the process by which the DNA segment is replicated from a small amount into a large number inside a PCR reactor.
So the correct answer is "In vitro replication of DNA segment"

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