Pathology Chromosomal translocation characteristic in acute promyelocytic leukemia is: A t ( 15; 17) B t ( 22; 9) C t ( 21; 17) D t ( 8; 21) 💡 Explanation Chromosomal translocation characteristic in acute promyelocytic leukemia is: ✓ Correct Answer: A. t ( 15; 17)