rs398122990(G;G)

Royal Disease Hemophilia B SNP

Magnitude
8.0Very important
Repute
Not rated
On SNPedia
rs398122990(G;G)
Gene
F9

Other genotypes of rs398122990

  1. A;AGoodnormalTypical · 0.0
  2. A;GMost notableNot rated“royal disease” also known as hemophilia B or Christmas diseaseVery important · 8.0

All about rs398122990

Notes

From SNPedia

This SNP has been linked to royal families who ruled much of Europe. It is possible that this mutation is out there, but we will be surprised if anyone has 2 copies of it as you appear to. Please contact info@snpedia.com and help us investigate this variation that you carry.

Source and license

Adapted from rs398122990(G;G) 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 Its entries can be incomplete, out of date or wrong, and nothing here is a diagnosis or medical advice.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.