Gel Electrophoresis Separates DNA Fragments on the Basis of Differences

Question

Gel electrophoresis separates DNA fragments on the basis of differences in their ________.
A)A:C ratio
B)length
C)G:T ratio
D)electrical charge

Accepted Answer

Gel electrophoresis separates DNA fragments based on their length, as smaller fragments move faster and further through the gel matrix than larger ones.