Chromosomes carry genes and function in the transmission of hereditary information. Clinical Trials - Studies that evaluate new drugs or new types of treatment. F Fellow - A medical doctor who has completed medical school, an internship, and a residency program and is training for a specialized branch of medicine. Arizona Cancer Center fellows are studying to be oncologists. G Gene - A hereditary unit that is located in a specific place on a chromosome.
Genes determine physical characteristics, such as hair or eye color.
When genes are missing or damaged, cancer may occur. The study and treatment of blood and blood-forming tissues. I Immune System - The body's natural defense system which produces antibodies to fight against foreign substances such as bacteria, viruses, toxins, and cancers. Immunology - The study of the body's natural defense system. Immunotherapy - Stimulating the body's natural defense system to attack and destroy cancers.