{{Rsnum
|rsid=2395655
|Gene=CDKN1A
|Chromosome=6
|position=36677919
|Orientation=plus
|GMAF=0.4858
|Assembly=GRCh38
|GenomeBuild=38.1
|dbSNPBuild=141
|geno1=(A;A)
|geno2=(A;G)
|geno3=(G;G)
|Gene_s=CDKN1A
}}{{ population diversity
| geno1=(A;A)
| geno2=(A;G)
| geno3=(G;G)
| CEU | 38.1 | 45.1 | 16.8
| HCB | 20.4 | 52.6 | 27.0
| JPT | 9.7 | 50.4 | 39.8
| YRI | 4.1 | 35.4 | 60.5
| ASW | 10.5 | 35.1 | 54.4
| CHB | 20.4 | 52.6 | 27.0
| CHD | 19.3 | 55.0 | 25.7
| GIH | 20.8 | 47.5 | 31.7
| LWK | 4.5 | 35.5 | 60.0
| MEX | 48.3 | 39.7 | 12.1
| MKK | 1.9 | 25.6 | 72.4
| TSI | 35.3 | 50.0 | 14.7
| HapMapRevision=28
}}{{PMID Auto
|PMID=21145615
|Title=Potentially functional polymorphisms in cell cycle genes and the survival of non-small cell [[lung cancer]] in a Chinese population
}}

{{PMID|17459456|OA=1
}} A common variant of the p16(INK4a) genetic region is associated with physical function in older people.

{{PMID|18174243|OA=1
}} Association of single-nucleotide polymorphisms in the cell cycle genes with breast cancer in the British population.

{{PMID|19258477|OA=1
}} Candidate gene analysis using imputed genotypes: cell cycle single-nucleotide polymorphisms and ovarian cancer risk.

{{PMID|20126416|OA=1
}} Identification of single nucleotide polymorphisms in the p21 (CDKN1A) gene and correlations with longevity in the Italian population.

{{PMID|20617153|OA=1
}} Detection of fetomaternal genotype associations in early-onset disorders: evaluation of different methods and their application to childhood leukemia.

{{PMID Auto
|PMID=23231583
|Title=Association of p21 SNPs and risk of cervical cancer among Chinese women
|OA=1
}}

{{PMID Auto
|PMID=24474449
|Title=Association between SNPs in P53 binding regions and risk of esophageal squamous cell carcinoma
}}
{{on chip | 23andMe v3}}
{{on chip | 23andMe v4}}
{{on chip | Affy GenomeWide 6}}
{{on chip | FTDNA2}}
{{on chip | HumanOmni1Quad}}
{{on chip | Illumina Human 1M}}