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A: PCR-RFLP genotyping at position -800 (G/A). PCR product (388 bp) was digested with NmuCI restriction enzyme. From left to right: Lane 1: DNA size marker; lane 2: Homozygote AA; lane 3: Heterozygote AG; lane 4: Homozygote GG; B: PCR-RFLP genotyping at position −509 (C/T). PCR product (153 bp) was digested with Eco811 restriction enzyme. Lane 1: DNA size marker; lane 2: Homozygote TT; lane 3: Heterozygote CT; lane 4: Homozygote CC.
