rs17540621
A SNP in the TTC7A gene on chromosome 2. Its most notable genotype is G;G: common on affy axiom data
- Gene
- TTC7A
- Location
- Chr 247,002,700 (GRCh38)
- Highest magnitude
- 0.0Typical
- Tested on
- AncestryDNA
- Minor allele frequency
- 3%
Genotypes
As shown in 23andMe and AncestryDNA files.
On SNPedia: (G;G). Magnitude rates how notable a genotype is from 0 to 10, not how risky it is.
Frequency
Share of each genotype in 4 HapMap populations.
- AverageG;G 98%
- European ancestry (Utah)G;G 94%
- Han Chinese (Beijing)G;G 100%
- Japanese (Tokyo)G;G 100%
- Yoruba (Nigeria)G;G 98%
Source and license
Adapted from rs17540621 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 Its entries can be incomplete, out of date or wrong, and nothing here is a diagnosis or medical advice.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.