Color-coded ddNTPs

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Questions and Answers

What is the purpose of attaching unique color dyes to ddNTPs in DNA sequencing?

  • To label and identify the terminated fragments (correct)
  • To label and identify the single-stranded cDNA fragments
  • To label and identify the RNA fragments
  • To label and identify the double-stranded cDNA fragments

Which color dye is attached to ddATP in DNA sequencing?

  • Blue
  • Green (correct)
  • Black
  • Red

What is the significance of marking the 3' end of each cDNA fragment with a dye in DNA sequencing?

  • To identify the length of each fragment
  • To identify the 5' end of each fragment
  • To identify the origin of the DNA sample
  • To identify the sequence (correct)

How is the sequence obtained in DNA sequencing?

<p>By gel/capillary electrophoresis (D)</p> Signup and view all the answers

What is the order in which the fragments separate during electrophoresis in DNA sequencing?

<p>The order in which they were terminated (C)</p> Signup and view all the answers

What type of fragments are produced in DNA sequencing?

<p>Single-stranded cDNA fragments (D)</p> Signup and view all the answers

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