{{Rsnum
|rsid=1059234
|Gene=CDKN1A
|Chromosome=6
|position=36685820
|Orientation=plus
|GMAF=0.2245
|Assembly=GRCh38
|GenomeBuild=38.1
|dbSNPBuild=141
|geno1=(C;C)
|geno2=(C;T)
|geno3=(T;T)
|Gene_s=CDKN1A
}}{{ population diversity
| geno1=(C;C)
| geno2=(C;T)
| geno3=(T;T)
| CEU | 92.9 | 7.1 | 0.0
| HCB | 37.2 | 37.2 | 25.5
| JPT | 35.4 | 47.8 | 16.8
| YRI | 55.5 | 41.1 | 3.4
| ASW | 66.7 | 31.6 | 1.8
| CHB | 37.2 | 37.2 | 25.5
| CHD | 20.2 | 55.0 | 24.8
| GIH | 66.3 | 30.7 | 3.0
| LWK | 61.8 | 32.7 | 5.5
| MEX | 53.4 | 39.7 | 6.9
| MKK | 69.7 | 29.7 | 0.6
| TSI | 84.3 | 13.7 | 2.0
| HapMapRevision=28
}}{{PMID Auto
|PMID=19505915
|Title=Association of Genetic Polymorphisms, mRNA Expression of p53 and p21 with Chronic Benzene Poisoning in a Chinese Occupational Population
}}

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

{{PMID|15878916}} Genetic polymorphisms of p21 are associated with risk of squamous cell carcinoma of the head and neck.

{{PMID|16465622|OA=1
}} Bladder cancer predisposition: a multigenic approach to DNA-repair and cell-cycle-control genes.

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

{{PMID|19224585}} Genotype and haplotype analysis of cell cycle genes in sporadic colorectal cancer in the Czech Republic.

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

{{PMID|20433229}} P21(waf1/cip1) gene polymorphisms and possible interaction with cigarette smoking in esophageal squamous cell carcinoma in northeastern Iran: a preliminary study.

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

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