rs11569562

A SNP in the C3 gene on chromosome 19. Its most notable genotype is G;G: increased risk for adult asthma

Gene
C3
Location
Chr 196,678,742 (GRCh38)
Highest magnitude
0.0Typical
Tested on
23andMe, AncestryDNA, FamilyTreeDNA
Minor allele frequency
49%

Genotypes

Plus strand, as in 23andMe and AncestryDNA files.

  1. G;GMost notableNot ratedincreased risk for adult asthmaTypical · 0.019% of people
  2. A;GNot rated?Typical · 0.051% of people
  3. A;ANot ratednormalTypical · 0.030% of people

SNPedia records rs11569562 on the minus strand: (C;C), (C;T), (T;T). Magnitude rates how notable a genotype is from 0 to 10, not how risky it is.

Frequency

Share of each genotype in 3 HapMap populations.

  • AverageG;G 19% A;G 51% A;A 30%
  • Han Chinese (Beijing)G;G 26% A;G 49% A;A 26%
  • Japanese (Tokyo)G;G 13% A;G 60% A;A 28%
  • Yoruba (Nigeria)G;G 18% A;G 43% A;A 38%

Conditions, medicines and genes

Other C3 SNPs

All C3 SNPs

Notes

From SNPedia

Notes

A SNP in the C3 gene, rs11569562, has been associated with increased risk for adult bronchial asthma in a study of Japanese patients.

Source and license

Adapted from rs11569562 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 Its entries can be incomplete, out of date or wrong, and nothing here is a diagnosis or medical advice.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.