Which of the following best describes how DNA moves through a gel during electrophoresis?

The positively charged DNA moves towards the negative end of the gel and away from the positive end of the gel.


The positively charged DNA moves towards the positive end of the gel and away from the negative end of the gel.


The negatively charged DNA moves away from the negative end of the gel and towards the positive end of the gel.


The negatively charged DNA moves towards the negative end of the gel and away from the positive end of the gel.