{{Rsnum
|rsid=7928739
|Gene=CHKA
|Chromosome=11
|position=68066076
|Orientation=plus
|GMAF=0.4619
|Gene_s=CHKA
|Assembly=GRCh38
|GenomeBuild=38.1
|dbSNPBuild=141
|geno1=(A;A)
|geno2=(A;C)
|geno3=(C;C)
}}{{ population diversity
| geno1=(A;A)
| geno2=(A;C)
| geno3=(C;C)
| CEU | 37.2 | 50.4 | 12.4
| HCB | 35.8 | 46.7 | 17.5
| JPT | 55.8 | 33.6 | 10.6
| YRI | 6.2 | 41.8 | 52.1
| ASW | 8.8 | 45.6 | 45.6
| CHB | 35.8 | 46.7 | 17.5
| CHD | 48.6 | 39.4 | 11.9
| GIH | 52.5 | 42.6 | 5.0
| LWK | 2.7 | 35.5 | 61.8
| MEX | 56.9 | 29.3 | 13.8
| MKK | 5.8 | 31.2 | 63.0
| TSI | 36.3 | 49.0 | 14.7
| HapMapRevision=28
}}{{PMID Auto
|PMID=21429654
|Title=Polymorphic variants of folate and choline metabolism genes and the risk of endometriosis-associated infertility
}}

{{PMID Auto
|PMID=17184542
|Title=CHKA and PCYT1A gene polymorphisms, choline intake and spina bifida risk in a California population.
|OA=1
}}

{{on chip | 23andMe v1}}
{{on chip | 23andMe v2}}
{{on chip | 23andMe v3}}
{{on chip | 23andMe v4}}
{{on chip | Affy GenomeWide 6}}
{{on chip | Illumina Human 1M}}