rs4648317(A;A)

Prone to higher nicotine dependence, more impulsive/sensation seeking

Magnitude
1.2Minor
Repute
Bad
Frequency
7%Average of 11 populations
On SNPedia
rs4648317(T;T)Minus strand
Gene
DRD2

Frequency

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

  • Han Chinese (Beijing)21%
  • Japanese (Tokyo)14%
  • Chinese (Denver)12%
  • Mexican ancestry (Los Angeles)9%
  • Tuscan8%
  • African ancestry (Southwest US)4%
  • Yoruba (Nigeria)3%
  • Luhya (Kenya)3%
  • Gujarati Indian2%
  • Maasai (Kenya)2%
  • European ancestry (Utah)2%

Other genotypes of rs4648317

  1. G;GGoodnormalTypical · 0.059% of people
  2. A;GNot ratedprone to higher nicotine dependence?Typical · 0.034% of people

All about rs4648317

Source and license

Adapted from rs4648317(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 Its entries can be incomplete, out of date or wrong, and nothing here is a diagnosis or medical advice.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.