{{Rsnum
|rsid=9971942
|Chromosome=12
|Orientation=plus
|geno1=(C;C)
|geno2=(C;T)
|geno3=(T;T)
|position=111818238
|Assembly=GRCh38
|GenomeBuild=38.1
|dbSNPBuild=141
}}{{ population diversity
| geno1=(C;C)
| geno2=(C;T)
| geno3=(T;T)
| CEU | 62.5 | 34.8 | 2.7
| HCB | 2.2 | 18.4 | 79.4
| JPT | 1.9 | 28.7 | 69.4
| YRI | 32.2 | 51.7 | 16.1
| ASW | 37.5 | 42.9 | 19.6
| CHB | 2.2 | 18.4 | 79.4
| CHD | 1.8 | 22.9 | 75.2
| GIH | 65.3 | 29.6 | 5.1
| LWK | 0.0 | 0.0 | 0.0
| MEX | 41.8 | 47.3 | 10.9
| MKK | 31.8 | 53.2 | 14.9
| TSI | 83.2 | 14.9 | 2.0
| HapMapRevision=28
}}{{PMID|24491970}} Aldehyde dehydrogenase variation enhances effect of pesticides associated with [[Parkinson's disease]]. 5 tagSNPs in [[ALDH2]] (ie, [[rs737280]], [[rs968529]], [[rs16941667]], [[rs16941669]], and [[rs9971942]]) as well as [[rs671]] (ie, ALDH2*2)

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