{{Rsnum
|rsid=2040639
|Gene=XRCC2
|Chromosome=7
|position=152678103
|Orientation=minus
|GMAF=0.3705
|Assembly=GRCh38
|GenomeBuild=38.1
|dbSNPBuild=141
|geno1=(A;A)
|geno2=(A;G)
|geno3=(G;G)
|Gene_s=XRCC2
}}{{ population diversity
| geno1=(A;A)
| geno2=(A;G)
| geno3=(G;G)
| CEU | 23.9 | 54.9 | 21.2
| HCB | 14.6 | 50.4 | 35.0
| JPT | 17.7 | 53.1 | 29.2
| YRI | 1.4 | 19.7 | 78.9
| ASW | 0.0 | 29.8 | 70.2
| CHB | 14.6 | 50.4 | 35.0
| CHD | 20.4 | 47.2 | 32.4
| GIH | 5.9 | 47.5 | 46.5
| LWK | 1.8 | 20.2 | 78.0
| MEX | 10.3 | 60.3 | 29.3
| MKK | 6.5 | 30.3 | 63.2
| TSI | 25.5 | 39.2 | 35.3
| HapMapRevision=28
}}

18067C>T possibly related to non-Hodgkin lymphoma

{{PMID|18410587}}  [[rs2040639]]-AG, contribute to oral cancer risk. 

pseudo-haplotype with AG-CC genotypes in 
*2.45x risk [[rs2040639]]-[[rs861539]]
*5.03x risk [[rs2040639]]-[[rs861539]]-[[rs2075685]]
*10.10x risk [[rs2040639]]-[[rs861539]]-[[rs2075685]]-[[rs1799782]]

{{PMID Auto
|PMID=22726897
|Title=Single nucleotide polymorphism barcoding to evaluate oral cancer risk using odds ratio-based genetic algorithms
}}

{{PMID Auto
|PMID=19690184
|Title=Genetic variants in XRCC2: new insights into colorectal cancer tumorigenesis.
|OA=1
}}

{{on chip | 23andMe v1}}
{{on chip | 23andMe v2}}
{{on chip | 23andMe v3}}
{{on chip | 23andMe v4}}
{{on chip | FTDNA2}}
{{on chip | HumanOmni1Quad}}
{{on chip | Illumina Human 1M}}