Among These DNA Fragments, Which Would Move Most Quickly During

Question

Among these DNA fragments, which would move most quickly during gel electrophoresis?
A)AATAAT
B)AATAATAATAAT
C)AAATTAAT
D)AATAATAATAATAATAATAAT

Accepted Answer

The DNA fragment with the shortest length (AATAAT) will move most quickly during gel electrophoresis because it will encounter less resistance in the gel matrix than longer DNA fragments.