Warren is majoring in education and hopes to teach children with mental retardation. He is interested in learning about the genetic defects that cause Fragile X syndrome, the most common inherited cause of mental retardation. What is the genetic makeup for Fragile X syndrome?
Joyce is considering becoming a genetic counselor for prospective parents. What issues involving genetic testing, reproduction decisions, and in utero gene therapy will Joyce likely address with her clients?
Rashad and Gloria are overcome with guilt over the news that their 5-year-old daughter, Briana, has leukemia. They can't stop thinking that they genetically passed the disease to her. How can their friends, Tom and Nancy, find some facts to reassure Rashad and Gloria that they aren't responsible for Briana's cancer?