rs3731239(A;G)

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Magnitude
0.0Typical
Repute
Good
Frequency
22%Average of 11 populations
On SNPedia
rs3731239(C;T)Minus strand
Gene
CDKN2A

Frequency

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

  • Tuscan51%
  • European ancestry (Utah)50%
  • Gujarati Indian46%
  • Chinese (Denver)25%
  • Japanese (Tokyo)21%
  • Han Chinese (Beijing)16%
  • Mexican ancestry (Los Angeles)16%
  • Maasai (Kenya)8%
  • African ancestry (Southwest US)5%
  • Luhya (Kenya)<1%
  • Yoruba (Nigeria)0%

Other genotypes of rs3731239

  1. G;GMost notableGood0.9x lower risk for breast cancerTypical · 0.04% of people
  2. A;ANot ratednormal riskTypical · 0.074% of people

All about rs3731239

Source and license

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 Its entries can be incomplete, out of date or wrong, and nothing here is a diagnosis or medical advice.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