rs11547464
A SNP in the MC1R gene on chromosome 16. Its most notable genotype is A;A: red hair
- Gene
- MC1R
- Location
- Chr 1689,919,683 (GRCh38)
- Highest magnitude
- 3.5Important
- Tested on
- 23andMe, AncestryDNA
- Minor allele frequency
- <1%
Genotypes
As shown in 23andMe and AncestryDNA files.
- A;AMost notableNot ratedred hair
- A;GNot ratedred hair carrier
- G;GGoodnormal
On SNPedia: (A;A), (A;G), (G;G). Magnitude rates how notable a genotype is from 0 to 10, not how risky it is.
Related
Other MC1R SNPs
- rs1805007T;Tincreased response to anesthetics; 13-20x higher likelihood of red hair; increased risk of melanomaImportant
- rs1805006A;AMelanoma risk; red hairImportant
- rs1805008T;T~7-10x higher likelihood of red hair; higher risk of melanomaImportant
- rs1805009C;Cred hair possible, higher risk of melanomaImportant
- rs885479A;Alighter skin colorWorth knowing
- rs1805005G;Gcommon in clinvarTypical
- rs2228479G;Gcommon in clinvarTypical
Notes
From SNPedia
Notes
This missense mutation influences red hair color and has been observed in the Spanish maternal ancestry of User:Corpas son.
A;A
possibly with a connection to spain? Observed in observed in the Spanish maternal ancestry of User:Corpas son and in https://twitter.com/irenet/status/609347821775536128
Source and license
Adapted from rs11547464 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 Its entries can be incomplete, out of date or wrong, and nothing here is a diagnosis or medical advice.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.