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This is an accepted version of this page This is the latest accepted revision, reviewed on 28 December 2024. "Skin pigmentation" redirects here. For animal skin pigmentation, see Biological pigment. Extended Coloured family from South Africa showing some spectrum of human skin coloration Human skin color ranges from the darkest brown to the lightest hues. Differences in skin color among ...
Alpine salamanders produce a toxin from their skin, and both fully melanistic, black salamanders and spotted individuals produce the compound. [ 32 ] Studies done that traced DNA histories have suggested that the original alpine salamander phenotype was black with some yellow spots, meaning that the fully black color evolved over time and was ...
A woman with dark skin. Dark skin is a type of human skin color that is rich in melanin pigments. [1] [2] [3] People with dark skin are often referred to as black people, [4] although this usage can be ambiguous in some countries where it is also used to specifically refer to different ethnic groups or populations. [5] [6] [7] [8]
The first modern humans had darker skin as the indigenous people of Africa today. Following migration and settlement in Asia and Europe, the selective pressure dark UV-radiation protecting skin decreased where radiation from the sun was less intense. This resulted in the current range of human skin color.
Brindle: One of the rarest colors in horses, characteristics are any base coat color with "zebralike" stripes, but the most common is a brown horse with faint yellowish markings. Usually linked to chimerism , [ 10 ] but one heritable brindle pattern that affects coat texture and color in a family of American Quarter Horses has been named ...
This page was last edited on 2 February 2024, at 18:41 (UTC).; Text is available under the Creative Commons Attribution-ShareAlike 4.0 License; additional terms may apply.
Pigment gives color to your skin, hair and eyes." "Just as you can develop melanoma on your skin, you can also develop it inside your eye or on your conjunctiva.
Total albinism – a simultaneous complete absence of melanin from the eyes, skin, and feathers. This is the rarest form. Only 7% of 1,847 cases of avian albinism examined was this type. Incomplete albinism – when melanin is not simultaneously absent from the eyes, skin and feathers.