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Denaturation, annealing and extension are integral steps of

Question and options

Denaturation, annealing and extension are integral steps of
  1. fingerprinting
  2. polymerase chain reaction
  3. superimposition
  4. None of the given options is correct

Answer and explanation

Correct answer: B - polymerase chain reaction
Denaturation, annealing and extension are the three cycling steps of PCR. They are repeated in cycles to amplify a DNA segment; DNA fingerprinting may use PCR, but these are not its defining steps, and superimposition is a skull-photo comparison technique.

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