Which of the Following Modifications Is Least Likely to Alter

Multiple Choice

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

A) altering the nucleotide sequence of the DNA fragment without adding or removing nucleotides
B) acetylating the cytosine bases within the DNA fragment
C) increasing the length of the DNA fragment
D) decreasing the length of the DNA fragment
E) neutralizing the negative charges within the DNA fragment