{{Rsnum
|rsid=13306561
|Gene=MTHFR
|Chromosome=1
|position=11805747
|Orientation=minus
|GMAF=0.1382
|Gene_s=CLCN6,MTHFR
|Assembly=GRCh38
|GenomeBuild=38.1
|dbSNPBuild=141
|geno1=(C;C)
|geno2=(C;T)
|geno3=(T;T)
}}{{ population diversity
| geno1=(C;C)
| geno2=(C;T)
| geno3=(T;T)
| CEU | 2.7 | 29.2 | 68.1
| HCB | 1.5 | 13.9 | 84.7
| JPT | 0.9 | 21.2 | 77.9
| YRI | 4.8 | 38.1 | 57.1
| ASW | 5.3 | 35.1 | 59.6
| CHB | 1.5 | 13.9 | 84.7
| CHD | 1.8 | 17.4 | 80.7
| GIH | 3.0 | 25.7 | 71.3
| LWK | 3.7 | 29.4 | 67.0
| MEX | 0.0 | 12.1 | 87.9
| MKK | 5.8 | 29.5 | 64.7
| TSI | 2.0 | 15.7 | 82.4
| HapMapRevision=28
}}{{PMID Auto
|PMID=22241680
|Title=Deep sequencing study of the MTHFR gene to identify variants associated with myelomeningocele
|OA=1
}}

{{on chip | 23andMe v3}}
{{on chip | 23andMe v4}}
{{on chip | FTDNA2}}
{{on chip | HumanOmni1Quad}}
{{on chip | Illumina Human 1M}}