Banding of chromosomes


Banding of chromosomes
The treatment of chromosomes to reveal characteristic patterns of horizontal bands like bar codes. The banding patterns lend each chromosome a distinctive appearance so the 22 pairs of human nonsex chromosomes and the X and Y chromosomes can be identified and distinguished without ambiguity. Banding also permits the recognition of chromosome deletions (lost segments), chromosome duplications (surplus segments) and other types of structural rearrangements of chromosomes.

Medical dictionary. 2011.

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  • CHROMOSOMES — Le terme de chromosome («corps coloré») a été introduit par Waldeyer en 1888 pour désigner les organites du noyau qui fixent facilement les colorants basiques. Chez les Eucaryotes, où le noyau est séparé du reste de la cellule par une membrane,… …   Encyclopédie Universelle

  • banding patterns — Chromosomes stained with certain dyes, commonly quinacrine (Q banding) or Giemsa (G banding), show a pattern of transverse bands of light and heavy staining that is characteristic for the individual chromosome. The basis of the differential… …   Dictionary of molecular biology

  • banding patterns of chromosomes — banding patterns of chromosomes. См. исчерченность хромосом. (Источник: «Англо русский толковый словарь генетических терминов». Арефьев В.А., Лисовенко Л.А., Москва: Изд во ВНИРО, 1995 г.) …   Молекулярная биология и генетика. Толковый словарь.

  • banding — The process of differential staining of (usually) metaphase chromosomes of cells to reveal the characteristic patterns of bands that permit identification of individual chromosomes and recognition of missing segments; each of the 22 pairs of… …   Medical dictionary

  • banding — noun 1. a stripe or stripes of contrasting color chromosomes exhibit characteristic bands the black and yellow banding of bees and wasps • Syn: ↑band, ↑stria, ↑striation • Derivationally related forms: ↑striate …   Useful english dictionary

  • G banding — is technique used in cytogenetics to produce differently stained regions on condensed chromosomes. [Speicher, Michael R. and Nigel P. Carter. The New Cytogenetics: Blurring the Boundaries with Molecular Biology. Nature Reviews Genetics, Vol 6.… …   Wikipedia

  • Chromosome banding — The treatment of chromosomes to reveal characteristic patterns of horizontal bands like bar codes. The banding patterns lend each chromosome a distinctive appearance so the 22 pairs of human nonsex chromosomes and the X and Y chromosomes can be… …   Medical dictionary

  • C banding — centromeric banding differential staining of chromosomes to elicit chromosome bands, using a method that specifically stains the regions of the chromosomes that contain constitutive heterochromatin (C bands), particularly the pericentromeric… …   Medical dictionary

  • G banding — (= Giemsa banding) Spreads of metaphase chromosomes, treated briefly with protease then stained with Giemsa, produce characteristic banding patterns that allow identification of the separate chromosomes. The deeply staining G bands do not… …   Dictionary of molecular biology

  • Q banding — quinacrine banding differential staining of chromosomes to elicit chromosome bands (Q bands), consisting of examination of the chromosomes by fluorescence microscopy after they have been stained with quinacrine mustard or related compounds, the… …   Medical dictionary


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