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NEET Easy

The correct order of steps in Polymerase Chain Reaction (PCR) is

1

Denaturation, Extension, Annealing

2

Annealing, Extension, Denaturation

3

Extension, Denaturation, Annealing

4

Denaturation, Annealing, Extension

Step-by-Step Solution

This technique is used for making multiple copies of gene (or DNA) of interest in vitro. Each cycle has three steps: (i) Denaturation, (ii) Primer annealing, (iii) Extension of primer.

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