rs11571746

A SNP in the BRCA2 gene on chromosome 13. Its most notable genotype is C;C.

Gene
BRCA2
Location
Chr 1332,370,971 (GRCh38)
Highest magnitude
2.0Worth knowing
Tested on
23andMe, AncestryDNA, FamilyTreeDNA
Minor allele frequency
<1%

Genotypes

As shown in 23andMe and AncestryDNA files.

  1. C;CMost notableNot ratedNo summary available.Worth knowing · 2.00% of people
  2. C;TNot ratedBenign or at worst a very minor risk factorMinor · 1.01% of people
  3. T;TGoodcommon in complete genomicsTypical · 0.099% of people

On SNPedia: (C;C), (C;T), (T;T). Magnitude rates how notable a genotype is from 0 to 10, not how risky it is.

Frequency

Share of each genotype in 6 HapMap populations.

  • AverageC;C 0% C;T 1% T;T 99%
  • European ancestry (Utah)C;C 0% C;T 0% T;T 100%
  • Han Chinese (Beijing)C;C 0% C;T 2% T;T 99%
  • Japanese (Tokyo)C;C 0% C;T 0% T;T 100%
  • Yoruba (Nigeria)C;C 0% C;T <1% T;T 99%
  • African ancestry (Southwest US)C;C 0% C;T 2% T;T 98%
  • Maasai (Kenya)C;C 0% C;T 3% T;T 97%

Conditions, medicines and genes

Notes

From SNPedia

Notes

aka c.8503T>C (p.Ser2835Pro) This SNP, a variant in the BRCA2 gene, is 1 of 25 SNPs reported to represent independently minor, but cumulatively significant, increased risk for breast cancer. For details of all 25 SNPs in this group, along with the two methods used to calculate overall risk estimates for breast cancer, refer to the SNPedia breast cancer entry. For this particular SNP, the risk (minor) allele is (C). 23andMe name: i5009299

C;T

see discussion via main rs=page

Source and license

Adapted from rs11571746 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 Its entries can be incomplete, out of date or wrong, and nothing here is a diagnosis or medical advice.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.