Fig. 1From: Association of parental methylenetetrahydrofolate reductase (MTHFR) C677T gene polymorphism in couples with unexplained recurrent pregnancy lossRFLP analysis after digestion with HinfI showing homozygous C/C, heterozygous C/T genotype variants. Lane 2, 4: Homozygous CC wild type which is normal. Lane 3, 5, 6, 7: Heterozygous C/T mutation. Lane 1: The 100 bp DNA ladderBack to article page