HT Histotechnician

Category - Staining

Which histochemical staining technique used for DNA is the most reliable and specific?
  1. Feulgen’s reaction
  2. Methyl-green pyronin
  3. Both
  4. Neither
Explanation
Answer: A - Feulgen’s reaction

The histochemical staining technique used for DNA that is the most reliable and specific is Feulgen’s reaction. It is best known to stain chromatin and nucleoproteins. Other options are incorrect and are not as reliable and specific as Feulgen’s reaction.
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