Fig. 2

MnSOD genotypes detected by 4% agarose gel electrophoresis. The T allele is visualized as an undigested fragment of 107 bp, whereas the C allele is indicated by two fragments of 89 and 18 bp. A, CC control; B, TT control; C, CT control; M1 and M2, 100-bp ladder; N, nontemplate control. Numbers across the top indicate digested PCR product for separate individuals.