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Which of the following is a method used for DNA sequencing?

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Question: Which of the following is a method used for DNA sequencing?

Options:

  1. Polymerase chain reaction
  2. Gel electrophoresis
  3. Sanger sequencing
  4. All of the above

Correct Answer: Sanger sequencing

Solution:

Sanger sequencing is a specific method used for DNA sequencing, while PCR and gel electrophoresis are techniques used in the process.

Which of the following is a method used for DNA sequencing?

Practice Questions

Q1
Which of the following is a method used for DNA sequencing?
  1. Polymerase chain reaction
  2. Gel electrophoresis
  3. Sanger sequencing
  4. All of the above

Questions & Step-by-Step Solutions

Which of the following is a method used for DNA sequencing?
  • Step 1: Understand that DNA sequencing is a way to determine the order of nucleotides in a DNA molecule.
  • Step 2: Identify different methods used for DNA sequencing.
  • Step 3: Recognize that Sanger sequencing is one specific method for DNA sequencing.
  • Step 4: Note that PCR (Polymerase Chain Reaction) is a technique used to amplify DNA, not directly for sequencing.
  • Step 5: Understand that gel electrophoresis is a technique used to separate DNA fragments, which can be part of the sequencing process but is not a sequencing method itself.
  • Step 6: Conclude that Sanger sequencing is the correct answer to the question about methods used for DNA sequencing.
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