rs3731239(A;A)

Normal risk

Magnitude
0.0Typical
Repute
Not rated
Frequency
74%Average of 11 populations
On SNPedia
rs3731239(T;T)Minus strand
Gene
CDKN2A

Frequency

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

  • Yoruba (Nigeria)100%
  • Luhya (Kenya)99%
  • African ancestry (Southwest US)95%
  • Maasai (Kenya)92%
  • Han Chinese (Beijing)82%
  • Mexican ancestry (Los Angeles)81%
  • Japanese (Tokyo)77%
  • Chinese (Denver)73%
  • Gujarati Indian44%
  • Tuscan42%
  • European ancestry (Utah)34%

Other genotypes of rs3731239

  1. G;GMost notableGood0.9x lower risk for breast cancerTypical · 0.04% of people
  2. A;GGood?Typical · 0.022% of people

All about rs3731239

Source and license

Adapted from rs3731239(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 Its entries can be incomplete, out of date or wrong, and nothing here is a diagnosis or medical advice.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.