{{Rsnum
|rsid=3027400
|Gene=MAOA
|Chromosome=X
|position=43733516
|Orientation=plus
|GMAF=0.3325
|Assembly=GRCh38
|GenomeBuild=38.1
|dbSNPBuild=141
|geno1=(G;G)
|geno2=(G;T)
|geno3=(T;T)
|Gene_s=MAOA
}}{{ population diversity
| geno1=(G;G)
| geno2=(G;T)
| geno3=(T;T)
| CEU | 70.8 | 15.4 | 13.8
| HCB | 15.6 | 31.1 | 53.3
| JPT | 18.2 | 25.0 | 56.8
| YRI | 91.5 | 2.8 | 5.6
| ASW | 0.0 | 0.0 | 0.0
| CHB | 15.6 | 31.1 | 53.3
| CHD | 0.0 | 0.0 | 0.0
| GIH | 0.0 | 0.0 | 0.0
| LWK | 87.9 | 5.6 | 6.5
| MEX | 0.0 | 0.0 | 0.0
| MKK | 79.1 | 7.4 | 13.5
| TSI | 0.0 | 0.0 | 0.0
| HapMapRevision=28
}}{{PMID|19455600}} a haplotype consisting of [[rs3027400]](G) and [[rs2072743]](C) associated with increased incidence of [[migraine]] without aura among a sample of 528 migraine patients (308 without aura, 220 with aura) and 528 sex-matched migraine-free controls

{{PMID|18726986}} Differential association between MAOA, ADHD and neuropsychological functioning in boys and girls.

{{PMID|18937309|OA=1
}} Sexually dimorphic effects of four genes (COMT, SLC6A2, MAOA, SLC6A4) in genetic associations of ADHD: a preliminary study.

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