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Created with Fabric.js 1.4.5 Albinism in Humans Albinism is an inherited genetic condition characterizedby a lack of pigment in the skin, eyes, and hair. The bodies of people affected by albinism aren'tcapable of making melanin, the chemicalresponsible for giving color to hair, eyes, and skin.This form of the condition is called oculocutaneous albinism (OCA). One in 75 peopleis a carrier foralbinism. Most forms of albinism are recessive traits,meaning even if bothparents are carriersthe offspring only has aone in four chance ofreceiving albinism. Chinese Albino Model Connie Chiu The most commonform of ocularalbinism occurs inmales whoinherited the traitfrom their mother. Other Types of Albinism *Ocular albinism (OA) affects onlythe eyes and is much more commonin males than females. *Hermansky-Pudlak Syndrome(HPS) is a rare form of albinismwith an increased incidence inpeople of Puerto-Rican descent.It may involve bleeding disorders,bruising, lung problems and intestinal disorders. *Chediak-Higashi Syndrome isanother rare form of albinism. It is characterized by anabnormality in certain typesof white blood cells, loweringresistance to infection. *Griscelli Syndrome is anextremely rare type of albinismwith only 60 known casesworldwide. Like Chediak-Higashi Syndrome, it involvesimmunodeficiency and mayalso have associatedneurological problems. Every form of albinism isassociated with poor eyesightand many people with albinismsuffer from nearsightedness,farsightedness, or astigmatism.Many people with albinism areclassified as legally blind. People with albinism are alsoat a high risk of skin cancerdue to the lack of melanin intheir skin. In addition to givingcolor to the eyes, skin, andhair, melanin protects our skinfrom UV-rays, causing our skinto tan rather than burn. Genetics of Albinism Albinism also occurs in animals.Some of the most photographedanimals in history include albinoanimals, such as Snowflake thegorilla from the Barcelona Zoo(bottom right), Claude the alligatorfrom the California Academy ofSciences, and Migaloo, the world'sonly known albino humpbackwhatle who is a frequent visitorto Australia's East coast. One person in 17,000 in the United States has some typeof albinism. An albino African-American woman Sources: Images: By Lexi Nolletti, Mrs. Estvanic, Period 5b
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