rs1801260(A;A)

Normal (higher) risk of ADHD symptoms.

Magnitude
1.8Minor
Repute
Bad
Frequency
63%Average of 11 populations
On SNPedia
rs1801260(T;T)Minus strand
Gene
CLOCK

Frequency

Share of people with A;A in each HapMap population.

  • Chinese (Denver)88%
  • Han Chinese (Beijing)87%
  • Yoruba (Nigeria)74%
  • Luhya (Kenya)73%
  • African ancestry (Southwest US)67%
  • Japanese (Tokyo)62%
  • European ancestry (Utah)54%
  • Tuscan54%
  • Mexican ancestry (Los Angeles)52%
  • Maasai (Kenya)51%
  • Gujarati Indian33%

Other genotypes of rs1801260

  1. G;GMost notableGoodLower ADHD symptom scores.Worth knowing · 2.05% of people
  2. A;GNot ratedNormal risk of ADHD symptoms.Worth knowing · 2.032% of people

All about rs1801260

Notes

From SNPedia

This is the most common form of the CLOCK gene. In addition to possibly affecting evening preference, it has been linked to increased ADHD symptoms.

Source and license

Adapted from rs1801260(T;T) 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 Its entries can be incomplete, out of date or wrong, and nothing here is a diagnosis or medical advice.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.