rs104894105

A SNP in the FXN gene on chromosome 9. Its most notable genotype is C;C: Friedreich's ataxia

Gene
FXN
Location
Chr 969,053,193 (GRCh38)
Highest magnitude
6.0Very important
Tested on
AncestryDNA

Genotypes

As shown in 23andMe and AncestryDNA files.

  1. C;CMost notableBadFriedreich's ataxiaVery important · 6.0
  2. C;GBadFriedreich's ataxiaVery important · 6.0
  3. C;TBadcarrier of a Friedreich's ataxia alleleImportant · 3.0
  4. G;GBadFriedreich's ataxiaVery important · 6.0
  5. G;TBadcarrier of a Friedreich's ataxia alleleImportant · 3.0
  6. T;TGoodcommon in clinvarTypical · 0.0

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

Conditions, medicines and genes

Other FXN SNPs

All FXN SNPs

Notes

From SNPedia

Notes

rs104894105 is a mutation in the FXN gene on chromosome 9 associated with Friedreich's ataxia. It has 2 known minor alleles *c.317 T>C or p.L106S, *c.317 T>G or p.L106X

Source and license

Adapted from rs104894105 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 Its entries can be incomplete, out of date or wrong, and nothing here is a diagnosis or medical advice.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.