{{Rsnum
|rsid=2044859
|Gene=DDC
|Chromosome=7
|position=50544864
|Orientation=plus
|GMAF=0.3838
|Assembly=GRCh38
|GenomeBuild=38.1
|dbSNPBuild=141
|geno1=(C;C)
|geno2=(C;T)
|geno3=(T;T)
|Gene_s=DDC
}}{{ population diversity
| geno1=(C;C)
| geno2=(C;T)
| geno3=(T;T)
| CEU | 9.7 | 51.3 | 38.9
| HCB | 18.2 | 43.1 | 38.7
| JPT | 15.0 | 48.7 | 36.3
| YRI | 23.8 | 55.8 | 20.4
| ASW | 21.1 | 61.4 | 17.5
| CHB | 18.2 | 43.1 | 38.7
| CHD | 19.4 | 50.9 | 29.6
| GIH | 18.8 | 37.6 | 43.6
| LWK | 20.2 | 42.2 | 37.6
| MEX | 3.4 | 34.5 | 62.1
| MKK | 11.6 | 45.8 | 42.6
| TSI | 17.0 | 50.0 | 33.0
| HapMapRevision=28
}}{{PMID|19455600}} a haplotype consisting of [[rs2329340]](A), [[rs11974297]](C), [[rs2044859]](T) and [[rs11761683]](G) associated with increased incidence of [[migraine]] with aura among a sample of 528 migraine patients (308 without aura, 220 with aura) and 528 sex-matched migraine-free controls

{{PMID Auto
|PMID=22397633
|Title=Neurotransmitter systems and neurotrophic factors in autism: association study of 37 genes suggests involvement of DDC.
}}

{{on chip | 23andMe v3}}
{{on chip | 23andMe v4}}
{{on chip | Affy GenomeWide 6}}