BiologyThe fragmented DNA can be visualized by staining DNA with

The fragmented DNA can be visualized by staining DNA with

  1. A

    NaCl

  2. B

    ethidium bromide

  3. C

    ethylene bromide

  4. D

    NaBr

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    Solution:

    In gel electrophoresis, the separated DNA fragments can be visualised only after staining the DNA with a compound known as ethidium bromide followed by exposure to UV radiation (you cannot see pure DNA fragments in the visible light and without staining). We can see bright orange coloured bands of DNA in a ethidium bromide stained gel exposed to UV light.

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