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Albinism is a congenital condition characterized in humans by the partial or complete absence of pigment in the skin, hair and eyes. Albinism is associated with a number of vision defects, such as photophobia, nystagmus, and amblyopia.
Albinism is the congenital absence of melanin in an animal or plant resulting in white hair, feathers, scales and skin and reddish pink or blue eyes. [1] [2] ...
The irises of human eyes exhibit a wide spectrum of colours. Eye color is a polygenic phenotypic trait determined by two factors: the pigmentation of the eye's iris [1] [2] and the frequency-dependence of the scattering of light by the turbid medium in the stroma of the iris.
What is albinism? Animals, humans and nonhumans alike, can have albinism. The recognizable all-white features are caused by a partial or complete loss of pigmentation, according to National ...
Oculocutaneous albinism is a form of albinism involving the eyes , the skin (-cutaneous), and the hair. [1] Overall, an estimated 1 in 20,000 people worldwide are born with oculocutaneous albinism. [1] OCA is caused by mutations in several genes that control the synthesis of melanin within the melanocytes. [2]
A mutation in a copy of MITF can also lead to Tietz syndrome, which is distinguished from Waardenburg syndrome by uniform albinism instead of patchy depigmentation. [5] Type 2B is caused by an autosomal dominant mutation in an unknown gene on chromosome 1 in the locus range of 1p21–1p13.3. The gene has been provisionally termed WS2B. [21] [22]
Albinism is a recessive gene trait in animals that causes a lack of pigment in hair, tissue, skin, and more. Having white fur or skin is one thing, but true albinism affects all tissue.
This is an accepted version of this page This is the latest accepted revision, reviewed on 2 March 2025. "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 ...