Atype of cancer characterized by the insufficient production of one or more types of blood cells due to dysfunction of the bone marrow is

A type of cancer characterized by the insufficient production of one or more types of blood cells due to dysfunction of the bone marrow is: MYELODYSPLASTIC SYNDROME
When you get a Myelodysplastic syndrome (MDS),  your blood cells wouldn't be able to mature and function properly due to some error in your bone marrow, which make you become easily infected by illness.

D) better spellers i would think

Answerbasal cell carcinoma;