rs505922(C;C)

Blood type is not O, increased risk for some diseases.

Magnitude
2.1Worth knowing
Repute
Bad
Frequency
13%Average of 11 populations
On SNPedia
rs505922(C;C)
Gene
ABO

Frequency

Share of people with C;C in each HapMap population.

  • Gujarati Indian20%
  • Tuscan20%
  • Japanese (Tokyo)16%
  • Han Chinese (Beijing)15%
  • European ancestry (Utah)12%
  • African ancestry (Southwest US)12%
  • Mexican ancestry (Los Angeles)12%
  • Yoruba (Nigeria)10%
  • Chinese (Denver)9%
  • Maasai (Kenya)9%
  • Luhya (Kenya)7%

Other genotypes of rs505922

  1. C;TBad1.2x risk of pancreatic cancerTypical · 0.043% of people
  2. T;TGoodblood type OWorth knowing · 2.044% of people

All about rs505922

Notes

From SNPedia

2.4x risk of pancreatic cancer, also increased risk of venous thromboembolism. This variation also determines your ABO Blood type status as not being blood type O.

Source and license

Adapted from rs505922(C;C) 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 Its entries can be incomplete, out of date or wrong, and nothing here is a diagnosis or medical advice.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.