AP BIOLOGY

Detailed explanation-1: -A DNA change can cause genes involved in normal cell growth to become oncogenes. Unlike normal genes, oncogenes cannot be turned off, so they cause uncontrolled cell growth.

Detailed explanation-2: -Rather than responding appropriately to the signals that control normal cell behavior, cancer cells grow and divide in an uncontrolled manner, invading normal tissues and organs and eventually spreading throughout the body.

Detailed explanation-3: -However, the uncontrolled mitotic division can cause a disease called cancer. This is because the uncontrolled cell division results in the production of a large mass of new cells, which are known as tumor cells.