rs1800056(C;T)

Very slightly increased risk (1.05) for breast cancer

Magnitude
1.1Minor
Repute
Bad
Frequency
1%Average of 6 populations
On SNPedia
rs1800056(C;T)
Gene
ATM

Frequency

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

  • European ancestry (Utah)4%
  • Tuscan2%
  • Mexican ancestry (Los Angeles)2%
  • Han Chinese (Beijing)0%
  • Japanese (Tokyo)0%
  • Yoruba (Nigeria)0%

Other genotypes of rs1800056

  1. C;CMost notableBadvery slightly increased (1.5x or less) breast cancer riskMinor · 1.50% of people
  2. T;TGoodnormalTypical · 0.099% of people

All about rs1800056

Source and license

Adapted from rs1800056(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 Its entries can be incomplete, out of date or wrong, and nothing here is a diagnosis or medical advice.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.