rs9939609(A;T)

1.3x risk for T2D; obesity risk

Magnitude
2.4Worth knowing
Repute
Bad
Frequency
42%Average of 11 populations
On SNPedia
rs9939609(A;T)
Gene
FTO

Frequency

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

  • European ancestry (Utah)57%
  • Maasai (Kenya)53%
  • Yoruba (Nigeria)52%
  • African ancestry (Southwest US)51%
  • Luhya (Kenya)47%
  • Tuscan44%
  • Gujarati Indian36%
  • Mexican ancestry (Los Angeles)35%
  • Japanese (Tokyo)33%
  • Chinese (Denver)27%
  • Han Chinese (Beijing)26%

Other genotypes of rs9939609

  1. A;AMost notableBadobesity risk and 1.6x risk for T2DImportant · 3.015% of people
  2. T;TGoodlower risk of obesity and Type-2 diabetesMinor · 1.543% of people

All about rs9939609

Notes

From SNPedia

one copy of the genotype which increases production of the appetite stimulating hormone ghrelin. This increases your risk for obesity and Type-2 diabetes by approximately 20%.

Source and license

Adapted from rs9939609(A;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 Its entries can be incomplete, out of date or wrong, and nothing here is a diagnosis or medical advice.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.