{{Rsnum
|rsid=1470750
|Gene=DDC
|Chromosome=7
|position=50508950
|Orientation=minus
|GMAF=0.2681
|Assembly=GRCh38
|GenomeBuild=38.1
|dbSNPBuild=141
|geno1=(C;C)
|geno2=(C;G)
|geno3=(G;G)
|Gene_s=DDC
}}{{ population diversity
| geno1=(C;C)
| geno2=(C;G)
| geno3=(G;G)
| CEU | 11.1 | 42.9 | 46.0
| HCB | 6.8 | 34.1 | 59.1
| JPT | 0.0 | 46.5 | 53.5
| YRI | 0.0 | 0.0 | 100.0
| ASW | 0.0 | 0.0 | 0.0
| CHB | 6.8 | 34.1 | 59.1
| CHD | 0.0 | 0.0 | 0.0
| GIH | 0.0 | 0.0 | 0.0
| LWK | 0.0 | 0.0 | 0.0
| MEX | 0.0 | 0.0 | 0.0
| MKK | 0.0 | 0.0 | 0.0
| TSI | 0.0 | 0.0 | 0.0
| HapMapRevision=28
}}
{{PMID Auto
|PMID=19221445
|Title=Tyrosine hydroxylase and DOPA decarboxylase gene variants in personality traits
}}

{{PMID Auto
|PMID=17948905
|Title=Dopa decarboxylase and tyrosine hydroxylase gene variants in suicidal behavior.
}}

{{on chip | 23andMe v1}}
{{on chip | 23andMe v3}}
{{on chip | 23andMe v4}}