rs267606792

A SNP in the F9 gene on chromosome X. Its most notable genotype is C;C: Hemophilia B (severity varies)

Gene
F9
Location
Chr X139,560,772 (GRCh38)
Highest magnitude
5.5Very important
Tested on
AncestryDNA

Genotypes

As shown in 23andMe and AncestryDNA files.

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

Notes

From SNPedia

Notes

C;G

X-linked recessive, so females are generally unaffected in the absence of a second F9 gene mutation, however some females may experience clotting issues.

Source and license

Adapted from rs267606792 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 Its entries can be incomplete, out of date or wrong, and nothing here is a diagnosis or medical advice.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.