TLS Online TPP Program

#Question id: 23709


Which of the following modifications is least likely to alter the rate at which a DNA fragment moves through a gel during electrophoresis?

#Unit 13. Methods in Biology
  1. altering the nucleotide sequence of the DNA fragment
  2. methylating the cytosine bases within the DNA fragment
  3. increasing the length of the DNA fragment
  4. decreasing the length of the DNA fragment