rs228697(C;G)

Somewhat more likely to prefer staying up late

Magnitude
2.0Worth knowing
Repute
Not rated
Frequency
11%Average of 4 populations
On SNPedia
rs228697(C;G)
Gene
PER3

Frequency

Share of people with C;G in each HapMap population.

  • Japanese (Tokyo)23%
  • European ancestry (Utah)12%
  • Han Chinese (Beijing)9%
  • Yoruba (Nigeria)0%

Other genotypes of rs228697

  1. C;CGoodcommon/normalTypical · 0.089% of people
  2. G;GNot ratedSomewhat more likely to prefer staying up lateWorth knowing · 2.00% of people

All about rs228697

Notes

From SNPedia

Somewhat (~2x) more likely to prefer staying up late compared to rs228697(C;C) individuals; see rs228697 for details.

Source and license

Adapted from rs228697(C;G) 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 Its entries can be incomplete, out of date or wrong, and nothing here is a diagnosis or medical advice.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.