{{Rsnum
|rsid=234720
|Gene=PKNOX1
|Chromosome=21
|position=43025182
|Orientation=plus
|GMAF=0.3604
|Assembly=GRCh38
|GenomeBuild=38.1
|dbSNPBuild=141
|geno1=(C;C)
|geno2=(C;T)
|geno3=(T;T)
|Gene_s=PKNOX1
}}{{ population diversity
| geno1=(C;C)
| geno2=(C;T)
| geno3=(T;T)
| CEU | 31.0 | 48.7 | 20.4
| HCB | 58.8 | 37.5 | 3.7
| JPT | 52.2 | 39.8 | 8.0
| YRI | 29.0 | 47.6 | 23.4
| ASW | 31.6 | 56.1 | 12.3
| CHB | 58.8 | 37.5 | 3.7
| CHD | 58.9 | 30.8 | 10.3
| GIH | 35.6 | 54.5 | 9.9
| LWK | 36.4 | 54.5 | 9.1
| MEX | 60.3 | 34.5 | 5.2
| MKK | 45.8 | 41.3 | 12.9
| TSI | 35.6 | 50.5 | 13.9
| HapMapRevision=28
}}
{{PMID|20125193|OA=1
}} non sig. gwas, hit (p = 2 x 10^-7) for forward digit span 

{{PMID Auto GWAS
|PMID=20125193
|Trait=Cognitive Performance
|Title=Common genetic variation and performance on standardized cognitive tests
|RiskAllele=
|Pval=2E-7
|OR=None
|ORtxt=None
|OA=1
}}

{{on chip | 23andMe v1}}
{{on chip | 23andMe v2}}
{{on chip | 23andMe v3}}
{{on chip | 23andMe v4}}
{{on chip | HumanOmni1Quad}}
{{on chip | Illumina Human 1M}}