Definition: a chromosome-staining technique used in human cytogenetics to identify individual chromosomes, which produces characteristic bands; it utilizes acetic acid fixation, air drying, denaturing chromosomes mildly with proteolytic enzymes, salts, heat, detergents, or urea, and finally Giemsa stain; chromosome bands appear similar to those fluorochromed by Q-banding stain.
Synonym(s): Giemsa chromosome banding stain
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