Leukemia is a type of cancer found in the blood and bone marrow which is caused by the rapid production of abnormal white blood cells. Your white blood cells are important to your immune system as they are responsible for engulfing and destroying foreign bodies such as bacteria or dead cells. People with leukemia are prone to getting other diseases very easily, as their white blood cells do not work properly. What organelle could be damaged in the white blood cells to make them abnormal?