The Meaning Behind Flowers. Throughout time, humans have given special meanings to flowers. Ancient Egyptian, Greek, Roman, and Chinese cultures have all included written records of their assignment of meanings to certain flowers.
Albinism is caused by a mutation in one of several genes. Each of these genes provides instructions for making one of several proteins involved in the production of melanin.Melanin is produced by cells called melanocytes, which are found in your skin and eyes.ypes of albinism. Types of albinism, based mainly on which mutated gene caused the disorder, include: Oculocutaneous albinism. Oculocutaneous (ok-u-low-ku-TAY-nee-us) albinism is caused by a mutation in one of four genes.
In most types of albinism, a recessive trait, the child inherits flawed genes for making melanin from both parents. Because the task of making melanin is complex, there are many different types of albinism, involving a number of different genes.lbinism. a hereditary disorder, usually transmitted as an autosomal recessive trait, in which there is partial or total absence of pigment in the skin, hair, and eyes (oculocutaneous albinism) or in the eyes alone (ocular albinism), caused by defective or absent function of the enzyme tyrosinase.