Angelman Syndrome

Angelman syndrome, also called happy puppet syndrome, is a genetic disorder named after the doctor who first described it back in 1965. Angelman syndrome affects an estimated 1 in 10,000 to 20,000 people. The typical characteristics of a person with Angelman's syndrome include mental retardation, blond hair, pale, deep-set eyes, a long chin, a puppet-like gait, and an absurd laugh. This is where the nickname "happy puppet syndrome" is derived. (Angelman Syndrome)
There is one major cause of Angelman Syndrome. People normally have two copies of the UBE3A gene, one from each parent. …