Cancers are caused by certain changes to genes that control the way our cell function, especially how they grow and divide. Hence, genetics have a crucial role to play in oncology. Cancers are answerable for ample death each year. The study of cancer biology is one of the biggest areas of scientific interest. Cancer cells develop specific hallmarks through a series of mutations in each oncogenes and tumor-suppressor genes. There's no definitive cure for cancer, the bulk of cancer treatments serve to prolong the lives of cancer sufferers.