Q-banding stain

Type:Term

Definitions
1. a fluorescent stain for chromosomes that produces specific banding patterns for each pair of homologous chromosomes; centromeric regions of human chromosomes 3, 4, and 13 are specifically stained, as are satellites of some acrocentric chromosomes and the end of the long axon of the Y chromosome; banding patterns are similar to those obtained with G-banding stain; similar fluorescent stain results are seen with the antibiotics adriamycin and daunomycin, as well as tertiary dyes (butyl proflavine and DAPI), and the bisbenzimidazole dye Hoechst 33258.

Synonyms
quinacrine chromosome banding stain

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