Human chromosome 9

Human chromosome 9
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This shows a DNA probe which binds specifically to the heterochromatic region of human chromosome 9. Heterochromatic regions of chromosomes contain variable numbers of repeats, and are useful as polymorphic markers, allowing differentiation between the chromosomes of different individuals. This individual has a polymorphism in the heterochromatic region of chromosome 9 as one of the chromosome 9s has more repeats in this region, resulting in the extensive hybridisation signal
seen on one chromosome 9.

Collection: Wellcome Images
Library reference no.: Contributor Reference 9HCRPT
Copyrighted work available under Creative Commons by-nc-nd 2.0 UK: England & Wales, see


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 - Uploaded at 02.04.2012
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