A chromosomal abnormality implicated in chronic myleloid leukemia (CML) causes the reciprocal translocation of genetic material from two different chromosomes, 9 and 22, which results in the formation...A chromosomal abnormality implicated in chronic myleloid leukemia (CML) causes the reciprocal translocation of genetic material from two different chromosomes, 9 and 22, which results in the formation of a mutant gene that contains part of the BCR (break cluster region) gene from chromosome 22 and part of the ABL gene from chromosome 9.