The Feulgen reaction is specific for:

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(D) The Feulgen reaction is a staining technique used in histology to identify chromosomal material or $DNA$ in cell specimens.It relies on the acid h

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$DNA$

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(D) The Feulgen reaction is a staining technique used in histology to identify chromosomal material or $DNA$ in cell specimens.It relies on the acid hydrolysis of $DNA$,which exposes aldehyde groups on the deoxyribose sugar.These aldehyde groups then react with the Schiff reagent to produce a distinct magenta or purple color.Since $RNA$ does not contain deoxyribose,it does not undergo this specific reaction,making the Feulgen test highly specific for $DNA$.

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