rs2315122

A SNP in the OPN1LW gene on chromosome X. Its most notable genotype is T;T: common on affy axiom data

Gene
OPN1LW
Location
Chr X154,156,369 (GRCh38)
Highest magnitude
0.0Typical
Tested on
23andMe, AncestryDNA

Genotypes

Plus strand, as in 23andMe and AncestryDNA files.

  1. T;TMost notableGoodcommon on affy axiom dataTypical · 0.099% of people
  2. A;AGoodthe most common genotype as reported on DTC arraysTypical · 0.00% of people

SNPedia records rs2315122 on the minus strand: (A;A), (T;T). 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.

  • AverageT;T 99% A;A 0%
  • European ancestry (Utah)T;T 100% A;A 0%
  • Han Chinese (Beijing)T;T 100% A;A 0%
  • Japanese (Tokyo)T;T 98% A;A 0%
  • Yoruba (Nigeria)T;T 100% A;A 0%

Conditions, medicines and genes

Notes

From SNPedia

Notes

colorblindness https://www.23andme.com/you/community/thread/13594/

A;A

This is equivalent to rs2315122(A;A) as far as we can tell.

Source and license

Adapted from rs2315122 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 Its entries can be incomplete, out of date or wrong, and nothing here is a diagnosis or medical advice.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.