rs80338858

A SNP in the DHCR7 gene on chromosome 11. Its most notable genotype is C;G: Unaffected carrier of a Smith-Lemli-Opitz syndrome mutation

Gene
DHCR7
Location
Chr 1171,437,869 (GRCh38)
Highest magnitude
3.0Important
Tested on
AncestryDNA
Minor allele frequency
<1%

Genotypes

Plus strand, as in 23andMe and AncestryDNA files.

SNPedia records rs80338858 on the minus strand: (C;C), (C;G). Magnitude rates how notable a genotype is from 0 to 10, not how risky it is.

Conditions, medicines and genes

Notes

From SNPedia

Notes

C;G

see Smith-Lemli-Opitz syndrome

Source and license

Adapted from rs80338858 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 Its entries can be incomplete, out of date or wrong, and nothing here is a diagnosis or medical advice.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.