The Final Step in a Sanger DNA Sequencing Reaction Is

question 16

Multiple Choice

The final step in a Sanger DNA sequencing reaction is to run the DNA fragments on a gel. What purpose does this serve?

• A) It adds ddNTP to the end of each DNA fragment.
• B) It changes the length of the DNA fragments.
• C) It separates DNA fragments based on their charge.
• D) It separates DNA fragments generated during the sequencing reaction based on one-nucleotide differences in their size.

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