Eye color

:This article is about the geographical distribution and social connotations of eye color in humans. For an anatomical explanation of the pigmentation of the iris, see iris (anatomy).

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Human beings have many variations in eye color. Eye color is a polygenic trait and is determined by the amount of melanin present in the eye. A small amount of melanin will result in blue eyes, a larger amount will result in green eyes, and brown eyes represent melanin-rich irises.

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Polygenic: REDIRECT Quantitative trait locus...

Melanin: Broadly, melanin is any of the polyacetylene, polyaniline, and polypyrrole "blacks" or their mixed copolymers. The most common form of biological melanin is a polymer of either or both of two monomer molecules: indolequinone, and dihydroxyindole carboxylic acid. In contrast, some fungal melan...

Eye color related Images and Photos (experimental)

Color Guard	Color Slices	Color Switch	Color Purple, The (BD)
Color Purple, The (DVD)	Eye Plug	Color Studies	Eye Chart
Eye Mosaic	Eye Sea IV	The Eye	Her Eye