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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 sequence.
D
It separates DNA fragments generated during the sequencing reaction based on one nucleotide differences in their size.
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