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G banding

Schematic karyogram of a human as seen on G banding, with annotated bands and sub-bands. It is a graphical representation of the idealized human diploid karyotype. Each row is vertically aligned at centromere level. It shows 22 homologous autosomal chromosome pairs, both the female (XX) and male (XY) versions of the two sex chromosomes, as well as the mitochondrial genome (at bottom left).
Further information: Karyotype

G-banding, G banding or Giemsa banding is a technique used in cytogenetics to produce a visible karyotype by staining condensed chromosomes. It is the most common chromosome banding method.[1] It is useful for identifying genetic diseases (mainly chromosomal abnormalities) through the photographic representation of the entire chromosome complement.[2]

  1. ^ Maloy, Stanley R.; Hughes, Kelly (2013). Brenner's encyclopedia of genetics. San Diego, CA. ISBN 978-0-08-096156-9. OCLC 836404630.{{cite book}}: CS1 maint: location missing publisher (link)
  2. ^ Speicher, Michael R. and Nigel P. Carter. "The New Cytogenetics: Blurring the Boundaries with Molecular Biology." Nature Reviews Genetics, Vol 6. Oct 2005.
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