rs1049742

A SNP in the AOC1 gene on chromosome 7. Its most notable genotype is C;C: common on affy axiom data

Gene
AOC1
Location
Chr 7150,857,465 (GRCh38)
Highest magnitude
0.0Typical
Tested on
23andMe, FamilyTreeDNA
Minor allele frequency
6%

Genotypes

As shown in 23andMe and AncestryDNA files.

  1. C;CMost notableGoodcommon on affy axiom dataTypical · 0.090% of people

On SNPedia: (C;C). Magnitude rates how notable a genotype is from 0 to 10, not how risky it is.

Frequency

Share of each genotype in 11 HapMap populations.

  • AverageC;C 90%
  • European ancestry (Utah)C;C 80%
  • Han Chinese (Beijing)C;C 99%
  • Japanese (Tokyo)C;C 99%
  • Yoruba (Nigeria)C;C 78%
  • African ancestry (Southwest US)C;C 84%
  • Chinese (Denver)C;C 99%
  • Gujarati IndianC;C 96%
  • Luhya (Kenya)C;C 91%
  • Mexican ancestry (Los Angeles)C;C 88%
  • Maasai (Kenya)C;C 96%
  • TuscanC;C 85%

Other AOC1 SNPs

All AOC1 SNPs

Notes

From SNPedia

Notes

Association of single nucleotide polymorphisms in the diamine oxidase gene with diamine oxidase serum activities. Found reduced DAO activity for the minor allele.

Source and license

Adapted from rs1049742 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 Its entries can be incomplete, out of date or wrong, and nothing here is a diagnosis or medical advice.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.