Which dye is used to stain chromosomes?

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(D) Chromosomes are composed of chromatin,which consists of $DNA$ and proteins. Various stains are used in cytology to visualize chromosomes during ce

Vedclass · Accepted Answer

All of the above

Vedclass · Answer

(D) Chromosomes are composed of chromatin,which consists of $DNA$ and proteins. Various stains are used in cytology to visualize chromosomes during cell division. $1$. Acetocarmine is a common nuclear stain used to stain chromosomes in squash preparations. $2$. Hematoxylin is a basic dye that binds to acidic components like $DNA$ in chromosomes,staining them blue or purple. $3$. The Feulgen stain is a specific histochemical technique used to identify chromosomal $DNA$,which stains reddish-purple. Since all these dyes are used for staining chromosomes,the correct answer is $D$.

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