Which of the following stains is not used for staining chromosomes?
a) Basic Fuchsin
b) Safranin
c) Methylene blue
d) Carmine
Ans. The answer is the option (b) Safranin
Explanation: Safranin is used as a counterstain for endospore staining and gram staining. It can also be used for staining cartilage and mast cell granule. Other stains are used for staining chromosomes and nuclei.