{{Rsnum
|rsid=11974297
|Gene=DDC
|Chromosome=7
|position=50550562
|Orientation=plus
|GMAF=0.4784
|Assembly=GRCh38
|GenomeBuild=38.1
|dbSNPBuild=141
|geno1=(A;A)
|geno2=(A;G)
|geno3=(G;G)
|Gene_s=DDC
}}{{ population diversity
| geno1=(A;A)
| geno2=(A;G)
| geno3=(G;G)
| CEU | 39.8 | 42.5 | 17.7
| HCB | 22.6 | 48.9 | 28.5
| JPT | 19.5 | 53.1 | 27.4
| YRI | 6.1 | 40.8 | 53.1
| ASW | 12.3 | 56.1 | 31.6
| CHB | 22.6 | 48.9 | 28.5
| CHD | 19.3 | 49.5 | 31.2
| GIH | 31.7 | 45.5 | 22.8
| LWK | 22.7 | 40.0 | 37.3
| MEX | 37.9 | 53.4 | 8.6
| MKK | 21.8 | 46.8 | 31.4
| TSI | 37.6 | 47.5 | 14.9
| 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

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