Bob is going to the doctor for treatment of a painful back condition. The doctor regularly manipulates Bob's spine as part of the treatment. Bob's doctor is practicing

A deletion of a small part of the ______ chromosome 15 results in Prader-Willi syndrome. The same deletion from the ______ chromosome 15 results in Angelman syndrome

mother's; mother's mother's; father's father's; mother's father's; father's

Research has shown that, on average, ________ of adolescents skip breakfast and ________ skip lunch

A) 60%; 10% B) 60%; 50% C) 50%; 50% D) 5%; 2%