rs17815774
A SNP in the TRPM1 gene on chromosome 15. Its most notable genotype is C;C: common in complete genomics
- Gene
- TRPM1
- Location
- Chr 1531,042,159 (GRCh38)
- Highest magnitude
- 0.0Typical
- Tested on
- 23andMe, AncestryDNA
- Minor allele frequency
- 1%
Genotypes
As shown in 23andMe and AncestryDNA files.
On SNPedia: (C;C). Magnitude rates how notable a genotype is from 0 to 10, not how risky it is.
Frequency
Share of each genotype in 8 HapMap populations.
- AverageC;C 96%
- European ancestry (Utah)C;C 91%
- Han Chinese (Beijing)C;C 99%
- Japanese (Tokyo)C;C 99%
- Yoruba (Nigeria)C;C 99%
- African ancestry (Southwest US)C;C 96%
- Luhya (Kenya)C;C 97%
- Mexican ancestry (Los Angeles)C;C 93%
- TuscanC;C 93%
Notes
From SNPedia
Notes
Recessive mutations of the gene TRPM1 abrogate ON bipolar cell function and cause complete congenital stationary night blindness in humans. TRPM1 is mutated in patients with autosomal-recessive complete congenital stationary night blindness.
Source and license
Adapted from rs17815774 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 Its entries can be incomplete, out of date or wrong, and nothing here is a diagnosis or medical advice.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.