{{Rsnum
|rsid=2250656
|Gene=C3
|Chromosome=19
|position=6718523
|Orientation=minus
|GMAF=0.2369
|Assembly=GRCh38
|GenomeBuild=38.1
|dbSNPBuild=141
|geno1=(A;A)
|geno2=(A;G)
|geno3=(G;G)
|Gene_s=C3
}}{{ population diversity
| geno1=(A;A)
| geno2=(A;G)
| geno3=(G;G)
| CEU | 48.7 | 43.4 | 8.0
| HCB | 64.0 | 33.1 | 2.9
| JPT | 65.2 | 31.2 | 3.6
| YRI | 76.9 | 19.7 | 3.4
| ASW | 66.7 | 31.6 | 1.8
| CHB | 64.0 | 33.1 | 2.9
| CHD | 62.4 | 34.9 | 2.8
| GIH | 65.3 | 31.7 | 3.0
| LWK | 73.6 | 23.6 | 2.7
| MEX | 60.3 | 32.8 | 6.9
| MKK | 79.5 | 17.9 | 2.6
| TSI | 55.9 | 37.3 | 6.9
| HapMapRevision=28
}}{{PMID Auto
|PMID=19899988
|Title=Association of c3 gene polymorphisms with neovascular age-related macular degeneration in a chinese population
}}

{{PMID|19828715}} Complement component 3 polymorphisms interact with polyunsaturated fatty acids to modulate risk of metabolic syndrome.

{{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}}