When running DNA electrophoresis, why add EtBr to the gel instead of the DNA sample or the DNA dye?

Is there a specific reason for adding EtBr to the gel instead of DNA sample/dye mixture? I use a RNA dye containing EtBr when running RNA gel so I don't add EtBr to the agarose. Just curious if I...

07 June 2023 2,748 4 View