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Which of the following techniques is used to amplify DNA?

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Question: Which of the following techniques is used to amplify DNA?

Options:

  1. Gel electrophoresis
  2. Polymerase chain reaction (PCR)
  3. Southern blotting
  4. Sanger sequencing

Correct Answer: Polymerase chain reaction (PCR)

Solution: 

Polymerase chain reaction (PCR) is a technique used to amplify specific DNA sequences, making millions of copies of a particular segment.

Which of the following techniques is used to amplify DNA?

Practice Questions

Q1
Which of the following techniques is used to amplify DNA?
  1. Gel electrophoresis
  2. Polymerase chain reaction (PCR)
  3. Southern blotting
  4. Sanger sequencing

Questions & Step-by-Step Solutions

Which of the following techniques is used to amplify DNA?
Correct Answer: Polymerase chain reaction (PCR)
  • 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 commonly 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 can create millions of copies of a specific DNA sequence quickly.
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