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Q.

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

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a

extension, denaturation, annealing

b

annealing, extension, denaturation

c

denaturation, extension, annealing

d

denaturation, annealing, extension

answer is D.

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Detailed Solution

Each cycle of PCR (Polymerase chain reaction) has three steps:

 (i) Denaturation

(ii) Primer annealing

(iii) Extension of primers

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