(A) Lanes 1-4 represent polymerase chain reaction (PCR) products for BclI polymorphism from 4 acute lymphoblastic leukemia (ALL) patients (335 base pairs (bp)). (B) Restriction fragment length polymorphism-digested PCR products for BclI polymorphism from ALL patients. Lanes 1 and 2 represent restriction fragments of PCR products for ALL patients with the CC genotype (222, 117 bp). Lanes 3 and 4 represent restriction PCR products for ALL patients with the CG genotype (335, 222, 117 bp). (C) Lanes 1-4 represent PCR products for N363S polymorphism from ALL patients (248 bp). Lane M represents the 100 bp ladder marker.