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Albinism
Part 1 of Paper
....eir eyes, skin, or hair. They have
inherited genes that do not make the usual amounts of a pigment called melanin.
One person in 17,000 has some type of . affects people from all
races. Most children with albinism are born to parents who have normal hair and
eye color for their ethnic backgrounds. Albinism is found o.... Part 2 of Paper
....ir roots of individuals with albinism, to tell these
types of albinism apart. However, these hair tests cannot identify types of
albinism, particularly in young children, whose pigment systems are immature.
Therefore hair tests are not helpful in predicting the extent of visual
disability of a child.
"Ty-Neg" (also called Type 1A) albinism results from a genetic defect in
an enzyme called tyrosinase. Tyrosinase helps the body to change the amino acid
tyrosine into pigment. The genetic defect th.... |
| Number of words: 515 - Approximate pages: 2 |
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