rs80356698

A SNP in the CLCN1 gene on chromosome 7. Its most notable genotype is -;CTCA: Myotonia congenita; Thomsen's disease; quite variable in degree

Gene
CLCN1
Location
Chr 7143,350,571 (GRCh38)
Highest magnitude
4.0Very important
Tested on
AncestryDNA

Genotypes

As shown in 23andMe and AncestryDNA files.

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

Source and license

Adapted from rs80356698 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 Its entries can be incomplete, out of date or wrong, and nothing here is a diagnosis or medical advice.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.