how-does-gel-electrophoresis-separate-dna-fragments-during-southern-blotting

Question

How does gel electrophoresis separate DNA fragments during Southern blotting?

Accepted Answer

By size, with smaller fragments moving faster through the gel.

Answer

By density, with denser fragments moving slower.

Answer

By sequence, with AT-rich fragments moving faster.

Answer

By charge, with negatively charged fragments moving slower.