How can one effectively interpret gel electrophoresis results?

To effectively interpret gel electrophoresis results, one must analyze the size and intensity of the bands on the gel. The bands represent different DNA fragments separated based on size. Comparing the bands to a DNA ladder can help determine the size of the fragments. Additionally, the intensity of the bands can indicate the amount of DNA present. Overall, careful examination and comparison of the bands can provide valuable information about the DNA samples being analyzed.