rs118203908

A SNP in the F5 gene on chromosome 1. Its most notable genotype is A;A: Hemophilia A (severity varies)

Gene
F5
Location
Chr 1169,542,689 (GRCh38)
Highest magnitude
5.5Very important
Tested on
AncestryDNA

Genotypes

Plus strand, as in 23andMe and AncestryDNA files.

SNPedia records rs118203908 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.

Notes

From SNPedia

Notes

A;G

Usually unaffected in absence of a second F5 gene mutation

Source and license

Adapted from rs118203908 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 Its entries can be incomplete, out of date or wrong, and nothing here is a diagnosis or medical advice.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.