The chromosome image below is the online version of chromosome
22 depicted on the Human Genome Landmarks poster. Mouse over
image to zoom Download Poster PDF Supply of printed copies has
been exhausted. Chromosome Image Gallery Magenta and green.
These regions reflect the unique patterns of light and dark
bands seen on human chromosomes that have been stained to allow
viewing through a light microscope. Red. The centromere, or
constricted portion, of each chromosome. Yellow. Chromosomal
regions that vary in staining intensity and are sometimes called
heterochromatin (meaning "different color"). Yellow with thin
magenta horizontal lines. (e.g., on chromosome 21) denote
variable regions, called stalks, that connect a very small
chromosome arm (a "satellite") to the chromosome. NOTE: The
Human Genome Landmarks poster is for educational purposes only,
and is not intended to provide medical advice. Genes associated
with the disorders and other traits listed on this poster were
selected from the comprehensive datab