Fact 1: Cancer is a disease that occurs when the cell cycle is no longer regulated.

Fact 2: And leukemia and lymphoma are forms of cancer.

Given the two facts above, answer the question "What is a disease that occurs when the cell cycle is no longer regulated?" with the following options: 
- dangerous
 - illness
 - Smoking
 - Mumps
 - Leukemia
 - parasites
 - Measles
 - Diabetes


 

     Leukemia    