rs3027415
A SNP in the MAOB gene on chromosome X. Its most notable genotype is T;T.
- Gene
- MAOB
- Location
- Chr X43,755,194 (GRCh38)
- Highest magnitude
- 0.0Typical
- Tested on
- 23andMe, AncestryDNA
- Minor allele frequency
- 11%
Genotypes
As shown in 23andMe and AncestryDNA files.
On SNPedia: (T;T). Magnitude rates how notable a genotype is from 0 to 10, not how risky it is.
Frequency
Share of each genotype in 9 HapMap populations.
- AverageT;T 91%
- European ancestry (Utah)T;T 68%
- Han Chinese (Beijing)T;T 95%
- Japanese (Tokyo)T;T 100%
- Yoruba (Nigeria)T;T 98%
- African ancestry (Southwest US)T;T 93%
- Chinese (Denver)T;T 94%
- Gujarati IndianT;T 94%
- Luhya (Kenya)T;T 95%
- Maasai (Kenya)T;T 85%
Related
Conditions, medicines and genes
Notes
From SNPedia
Notes
Exploration of 19 serotoninergic candidate genes in adults and children with attention-deficit/hyperactivity disorder identifies association for 5HT2A, DDC and MAOB. C allele associated with adult ADHD inattentive type.
Source and license
Adapted from rs3027415 on SNPedia, using a snapshot taken October 16, 2026. SNPedia content is shared under CC BY-NC-SA 3.0 US, and this page is shared under the same license.
SNPedia is a community-edited wiki. Its entries can be incomplete, out of date or wrong, and nothing here is a diagnosis or medical advice. Magnitude is a community rating of how interesting a genotype is, not a risk score.