The Discovery of the Nature of the Philadelphia Chromosome in Myelogenous

Multiple Choice

The discovery of the nature of the Philadelphia chromosome in myelogenous leukemia represents

A) a chromosome aberration that is secondary to the cancer.
B) an aberration that is caused by the development of cancer.
C) a translocation that is a chance event.
D) a specific chromosome aberration accompanying a specific cancer.
E) evidence of exposure to chemical carcinogens.