Select the correct option:
Which of the following stains is not used for staining chromosomes?

Basic Fuchsin

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Safranin

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Methylene green

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Carmine

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Solution

The correct option is D Safranin
Chromosomes are heavily coiled DNA, a DNA molecule is negatively charged and has to be therefore stained with basic dyes like Basic fuchsin, Methylene green and carmine.while safranin is used to stain cell walls of plants and bacteria (counter stain)
So, the correct answer is 'Safranin'

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Similar questions

Question 4

Which of the following stain is not used for staining chromosomes?

(a) Basic fuschsin (b) Safranin

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