Blood cancers: Cancers which include leukemia, myeloma, and lymphoma happen when blood cells start to divide uncontrollably with out dying off at the end of their lifestyle cycle. The prevalent myeloid progenitor can differentiate into either RBC or WBC, or platelets, and also the prevalent lymphoid progenitor can differentiate https://www.youtube.com/watch?v=buIHtQY7fCU