NEET2018Zoology-Biotechnology
NEET 2018 Zoology Polymerase Chain Reaction MCQ Question
Type: MCQ-conceptual-Medium-Class 12
The correct order of steps in Polymerase Chain Reaction (PCR) is
A
denaturation, extension, annealing
B
annealing, extension, denaturation
C
extension, denaturation, annealing
D
denaturation, annealing, extension
Correct Answer
Option D
Detailed Explanation
The correct order of steps in PCR is denaturation, annealing, and extension. Denaturation involves heating the DNA to separate strands, annealing allows primers to bind to the DNA, and extension synthesizes new DNA strands.
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