Читать книгу Lifespan Development - Tara L. Kuther - Страница 116

Disorders and abnormalities that are inherited through the parents’ genes include such well-known conditions as cystic fibrosis and sickle cell anemia, as well as others that are rare and, in some cases, never even noticed throughout the individual’s life.

A blood sample to detect PKU is taken from this newborn. Phenylketonuria (PKU) is a genetic disorder in which the body lacks the enzyme that breaks down phenylalanine. Without treatment, the phenylalanine builds up to toxic levels and can damage the central nervous system.

Marmaduke St. John / Alamy Stock Photo