Figure 2a: 6.0% Native-PAGE of PCR products for the detection of SLC19A1 G80A polymorphism. Lane 1: Marker (M) (100 bp); Lane 2: Undigested PCR product; Lane 3, 6, 9: Homozygous wild (GG) genotype; Lane 4,7,10: Heterozygous (GA) genotype; Lane 5,8: Homozygous variant (AA) genotype