BCR and chronic myelogenous leukemia, BCR-ABL1 positive: In conclusion, all studied Iraqi Philadelphia‐positive CML patients expresses the M‐BCR‐ABL subtype of the fusion gene; a preponderance of b3a2 over b2a2 variant; a sex‐skewed distribution in BCR‐ABL transcript types with b3a2 transcript is more prevalent in males and b2a2 subtype in females and the type of BCR‐ABL transcript is reflected by different leukocyte and platelet counts, which might represent a distinct phenotype and disease biology.