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Which technique is used to amplify DNA?

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Question: Which technique is used to amplify DNA?

Options:

  1. Gel electrophoresis
  2. Polymerase chain reaction (PCR)
  3. DNA sequencing
  4. Cloning

Correct Answer: Polymerase chain reaction (PCR)

Solution: 

Polymerase chain reaction (PCR) is a technique used to amplify specific DNA sequences.

Which technique is used to amplify DNA?

Practice Questions

Q1
Which technique is used to amplify DNA?
  1. Gel electrophoresis
  2. Polymerase chain reaction (PCR)
  3. DNA sequencing
  4. Cloning

Questions & Step-by-Step Solutions

Which technique is used to amplify DNA?
  • Step 1: Understand that DNA amplification means making many copies of a specific DNA segment.
  • Step 2: Learn about the Polymerase Chain Reaction (PCR) technique, which is used for this purpose.
  • Step 3: Know that PCR involves repeated cycles of heating and cooling to separate DNA strands and then copy them.
  • Step 4: Recognize that PCR requires specific ingredients like DNA, primers, and a special enzyme called DNA polymerase.
  • Step 5: Realize that after several cycles of PCR, millions of copies of the target DNA can be produced.
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