rs7853989
A SNP in the ABO gene on chromosome 9. Its most notable genotype is C;C: Likely blood group B
- Gene
- ABO
- Location
- Chr 9133,256,205 (GRCh38)
- Highest magnitude
- 0.0Typical
- Tested on
- 23andMe, AncestryDNA, FamilyTreeDNA
- Minor allele frequency
- 14%
Genotypes
As shown in 23andMe and AncestryDNA files.
- C;CMost notableNot ratedLikely blood group B
- C;GNot ratedLikely blood group B
- G;GNot ratedNot blood group B
On SNPedia: (C;C), (C;G), (G;G). Magnitude rates how notable a genotype is from 0 to 10, not how risky it is.
Frequency
Share of each genotype in 4 HapMap populations.
- AverageC;C 4% C;G 31% G;G 65%
- European ancestry (Utah)C;C 0% C;G 19% G;G 82%
- Han Chinese (Beijing)C;C 11% C;G 24% G;G 64%
- Japanese (Tokyo)C;C 0% C;G 39% G;G 61%
- Yoruba (Nigeria)C;C 7% C;G 42% G;G 52%
Related
Other ABO SNPs
- rs505922C;Cblood type is not O, increased risk for some diseases.Worth knowing
- rs657152A;AA few different minor risk associations; see detailsWorth knowing
- rs1008708453A;AO2 alleles (ABO Type O) may be presentWorth knowing
- rs2519093C;Ccommon/normalTypical
- rs8176719-;-likely to be of blood type OTypical
- rs8176740A;ANo summary available.Typical
- rs8176743C;CNo summary available.Typical
- rs8176746T;TType B blood group (of ABO system)Typical
Notes
From SNPedia
Notes
This SNP is in the ABO gene, and is therefore potentially useful in determing blood group type, such as through the use of genosets. ABO Blood Type
Source and license
Adapted from rs7853989 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 Its entries can be incomplete, out of date or wrong, and nothing here is a diagnosis or medical advice.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.