Get Answers to all your Questions

header-bg qa

How does one visualize DNA on an agarose gel?

Answers (1)

DNA fragments separate when they are moved towards the anode in an electric field. The agarose gel provides the matrix through which DNA fragments separate due to a sieving effect. Separated DNA fragments can be visualized only after staining with ethidium bromide and then by exposure to UV radiation. After staining, DNA fragments appear as bright orange bands.

Posted by

Gurleen Kaur

View full answer