Fig. 4From: Geographical and ethnic distribution of single nucleotide polymorphisms within genes of the folate/homocysteine pathway metabolism a Comparative frequency of the risk allele homozygotes for TCN2 C77G in the studied populations (*P value >0.0001 and <0.05, **P value <0.0001 for significant differences in genotype frequencies), b minor allele frequency of TCN2 C77G in six Mexican Mestizo groupsBack to article page