rs3736544

A SNP in the CLOCK gene on chromosome 4. Its most notable genotype is G;G: common/normal

Gene
CLOCK
Location
Chr 455,443,825 (GRCh38)
Highest magnitude
0.0Typical
Tested on
23andMe, AncestryDNA, FamilyTreeDNA
Minor allele frequency
30%

Genotypes

As shown in 23andMe and AncestryDNA files.

  1. G;GMost notableGoodcommon/normalTypical · 0.056% of people

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 56%
  • European ancestry (Utah)G;G 41%
  • Han Chinese (Beijing)G;G 52%
  • Japanese (Tokyo)G;G 67%
  • Yoruba (Nigeria)G;G 64%

Other CLOCK SNPs

All CLOCK SNPs

Source and license

Adapted from rs3736544 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 Its entries can be incomplete, out of date or wrong, and nothing here is a diagnosis or medical advice.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.