Albinism in humans all vertebrates, including humans. It is due to absence or defect of tyrosinase, a copper-containing enzyme involved in the production of melanin. It is the opposite of melanism. Unlike humans, other animals have multiple pigments and for these, albinism is considered to be a hereditary condition characterised by the absence of melanin in particular, in the eyes, skin, hair, scales, feathers or cuticle. While an organism with complete absence of melanin is called an albino, an organism with only a diminished amount of melanin is described as leucistic or albinoid. The term is from the Latin "albus", "white". There are
What Kind of an American are You? What Kind of an American are You? What Kind of an American are you?, also known as What Kind of American are you?, is a World War I era song released in 1917. Albert Von Tilzer composed the music. Lew Brown and Charles R. McCarron wrote the lyrics. The song was published by Broadway Music Co. of New York, New York. On the cover is a gray drawing of Uncle Sam pointing. A map of the United States is featured on the lower half of the cover. The song was written for voice and piano. The sheet music can be