The Nurse Is Preparing a Class on Gene Therapy for a Group

The nurse is preparing a class on gene therapy for a group of students. Which statements about gene therapy are true?

A) The FDA must review and approve all human clinical genetic trials.
B) Gene therapy may involve creating new genes within a human.
C) Gene therapy may involve replacing a mutated gene with a healthy copy of the gene.
D) Some trials involve introducing a new gene into the body to help fight disease.
E) Gene therapy may include inactivating a mutated gene that is not functioning properly.