Fig. 1

NQO1 C609T genotypes visualized by 3% agarose gel electrophoresis. The C allele appears as a 174 bp band, whereas the T allele is indicated by two fragments of 122 and 52 bp. A, CC control; B, CT control; C, TT control; N, nontemplate control; M, 100-bp ladder. Numbers across the top indicate digested PCR product for separate individuals.