First slide

Tools of Recombinant DNA Technology

Question

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

Easy

A

Ethidium bromide in UV radiation
B

Acetocarmine in UV radiation
C

Ethidium bromide in infrared radiation
D

Acetocarmine in bright blue light

Solution

In gel electrophoresis, separated DNA fragments can be visualized under UV radiations after staining with ethidium bromide. These appear as bright orange bands.
In order to visualize the euchromatin and heterochromatin region of the chromatin, it is stained with basic dye like acetocarmine or Feulgen.

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