{{Rsnum
|rsid=1881492
|Gene=CHRNG
|Chromosome=2
|position=232542288
|Orientation=plus
|GMAF=0.1887
|Gene_s=CHRNG
|Assembly=GRCh38
|GenomeBuild=38.1
|dbSNPBuild=141
|geno1=(G;G)
|geno2=(G;T)
|geno3=(T;T)
}}{{ population diversity
| geno1=(G;G)
| geno2=(G;T)
| geno3=(T;T)
| CEU | 61.9 | 33.6 | 4.4
| HCB | 79.6 | 19.7 | 0.7
| JPT | 65.5 | 32.7 | 1.8
| YRI | 64.6 | 31.3 | 4.1
| ASW | 56.1 | 40.4 | 3.5
| CHB | 79.6 | 19.7 | 0.7
| CHD | 75.2 | 22.0 | 2.8
| GIH | 70.3 | 26.7 | 3.0
| LWK | 51.8 | 43.6 | 4.5
| MEX | 72.4 | 24.1 | 3.4
| MKK | 62.8 | 30.8 | 6.4
| TSI | 56.9 | 40.2 | 2.9
| HapMapRevision=28
}}{{PMID Auto GWAS
  |PMID=23396134
  |Trait=Refractive error
  |Title=Genome-wide meta-analyses of multiancestry cohorts identify multiple new susceptibility loci for refractive error and myopia.
  |RiskAllele=T
  |Pval=5E-11
  |OR=.14
  |ORtxt=[0.098-0.18] unit decrease
  |OA=1
}}

{{PMID Auto
|PMID=19259974
|Title=Multiple distinct risk loci for nicotine dependence identified by dense coverage of the complete family of nicotinic receptor subunit (CHRN) genes.
|OA=1
}}

{{on chip | 23andMe v3}}
{{on chip | 23andMe v4}}
{{on chip | Affy GenomeWide 6}}
{{on chip | FTDNA2}}
{{on chip | HumanOmni1Quad}}
{{on chip | Illumina Human 1M}}