What is the criterion for DNA fragment movement on agarose gel during gel electrophoesis

Options

A. the larger the fragment size, the farther it moves
B. The smaller the fragment size, the farther it moves
C. Positive charged fragment moves to farther end
D. Negatively charged fragments do not move

Answer

b

Explanation

b) During electrophoresis, DNA is filtered through pores, based on size. It moves towards anode.