Indiana Farmers Insurance - 10 West 106th Street, Indianapolis, IN 46290 Â© 2018 Indiana Farmers Mutual Insurance Company. Indiana Farmers is a registered trademark of Indiana Farmers Mutual Insurance Company.
Phenylketonuria Definition: Phenylketonuria (PKU) is a genetic disorder that is characterized by an inability of the body to utilize the essential amino acid, phenylalanine.henylketonuria Definition: Phenylketonuria (PKU) is a genetic disorder that is characterized by an inability of the body to utilize the essential amino acid, phenylalanine.
Phenylketonuria (PKU) is an autosomal recessive metabolic genetic disorder characterized by a mutation in the gene for the hepatic enzyme phenylalanine hydroxylase (PAH), rendering it nonfunctional. Other non-PAH mutations can also cause PKU. This is an example of non-allelic genetic heterogeneity.