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If dna is colorless when dissolved in water, how were you able to see the dna after it ran through the gel?.

Sagot :

Answer:

To visualise the DNA, the gel is stained with a fluorescent dye that binds to the DNA, and is placed on an ultraviolet transilluminator which will show up the stained DNA as bright bands. Alternatively the dye can be mixed with the gel before it is poured

Explanation: