A Young Child Is Diagnosed with Angelman Syndrome,a Syndrome in Which

A young child is diagnosed with Angelman syndrome,a syndrome in which a deletion occurs in a portion of the long arm of chromosome 15.Both Angelman syndrome and another syndrome involve the same deletion,but the two syndromes differ depending on whether the defect was inherited from the mother or father.What is the related syndrome?

A) Prader-Willi syndrome
B) Down syndrome
C) Treacher Collins syndrome
D) Branchio-oto-renal syndrome
E) CHARGE syndrome