rs2020942
A SNP in the SLC6A4 gene on chromosome 17. Its most notable genotype is C;T: common in complete genomics
- Gene
- SLC6A4
- Location
- Chr 1730,219,896 (GRCh38)
- Highest magnitude
- 0.0Typical
- Tested on
- 23andMe, AncestryDNA
- Minor allele frequency
- 26%
Genotypes
Plus strand, as in 23andMe and AncestryDNA files.
SNPedia records rs2020942 on the minus strand: (A;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.
- AverageC;T 26%
- European ancestry (Utah)C;T 46%
- Han Chinese (Beijing)C;T 16%
- Japanese (Tokyo)C;T 11%
- Yoruba (Nigeria)C;T 32%
Related
Other SLC6A4 SNPs
- rs25531T;Tshort form of 5-HTTLPR. lower levels of serotonin, slightly less happy, benefits from more supportWorth knowing
- rs140701T;TIncreased risk for anxiety disordersMinor
- rs6354G;Gcommon in clinvarTypical
- rs140700G;GNo summary available.Typical
- rs1042173C;CnormalTypical
- rs2020933A;ANo summary available.Typical
- rs2066713A;Gcommon in complete genomicsTypical
- rs3813034A;Acommon in clinvarTypical
Source and license
Adapted from rs2020942 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 Its entries can be incomplete, out of date or wrong, and nothing here is a diagnosis or medical advice.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.