rs16939660
A SNP in the ALDH1A2 gene on chromosome 15. Its most notable genotype is T;T.
- Gene
- ALDH1A2
- Location
- Chr 1558,010,689 (GRCh38)
- Highest magnitude
- 0.0Typical
- Tested on
- 23andMe, FamilyTreeDNA
- Minor allele frequency
- <1%
Genotypes
As shown in 23andMe and AncestryDNA files.
On SNPedia: (T;T). Magnitude rates how notable a genotype is from 0 to 10, not how risky it is.
Frequency
Share of each genotype in 7 HapMap populations.
- AverageT;T 97%
- European ancestry (Utah)T;T 97%
- Yoruba (Nigeria)T;T 97%
- African ancestry (Southwest US)T;T 97%
- Luhya (Kenya)T;T 95%
- Mexican ancestry (Los Angeles)T;T 98%
- Maasai (Kenya)T;T 98%
- TuscanT;T 98%
Source and license
Adapted from rs16939660 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 Its entries can be incomplete, out of date or wrong, and nothing here is a diagnosis or medical advice.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.