The Final Step in a DNA Sequencing Reaction Is to Run

question 14

Multiple Choice

The final step in a 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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