In gel electrophoresis, separated DNA fragments can be visualized with the help of :

1. Acetocarmine in bright blue light

2. Ethidium bromide in UV radiation

3. Acetocarmine in UV radiation

4. Ethidium bromide in infrared radiation

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Answer: 2. Ethidium bromide in UV radiation

Key idea: DNA in agarose gels is stained with ethidium bromide and viewed under UV light.

Ethidium bromide intercalates into DNA and gives orange bands in UV. Acetocarmine is a chromosome stain, and infrared is not used.

Doubtly AI · 30 Oct 2026 AI-generated · not yet verified Report

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