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Unformatted text preview: on the power, the DNA/tracking dye combination will begin to move toward the positive electrode. 6. Turn off power when tracking dye has moved to toward the end of the tray. 7. After electrophoresis, stain the DNA for visualization. Submerge the entire gel in methylene blue, which will bind to the DNA. 8. Rinse the gel repeatedly with water, so that the dye washes off the gel. The DNA will appear as blue bands that are easily seen when a light is passed through the gel. Data: Length of DNA Fragments in Gel Conclusion: The statement in the hypothesis was incorrect. Fragment 3 traveled the furthest along the surface of the gel. The results display that Fragment 3 was the lightest, meaning it had the least mass which allowed for it to travel further than the two other tested fragments....
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