Answer:
Listen to the patent carefully and if needed Search it on the internet
Explanation:
Prader-Willi syndrome is a disorder that arises due to absence of parental expressed imprinting genes at chromosome. Many people are not diagnosed and misdiagnosed of this disease. It is a complex genetic condition that affects many organs of the body of the patient. This is the condition where patient may experience unusually fair skin and very light colored hairs.
