rs80359657

A SNP in the BRCA2 gene on chromosome 13. Its most notable genotype is -;A: Likely miscall in Ancestry v2 data; otherwise, BRCA2 variant considered pathogenic for breast cancer

Gene
BRCA2
Location
Chr 1332,356,535 (GRCh38)
Highest magnitude
6.0Very important
Tested on
AncestryDNA

Genotypes

As shown in 23andMe and AncestryDNA files.

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

Conditions, medicines and genes

Notes

From SNPedia

Notes

rs80359657, also known as 7771insA, c.7543_7544insA and p.Thr2515?fs, is a variant in the BRCA2 gene considered pathogenic for breast cancer in ClinVar. Note: the 23andMe probe (i5010551) corresponding to this genotype is unreliable (prone to false results).

-;A

Possible miscall in Ancestry data. See details at rs80359657. Note: the 23andMe probe (i5010551) corresponding to this genotype is unreliable (prone to false results).

Source and license

Adapted from rs80359657 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 Its entries can be incomplete, out of date or wrong, and nothing here is a diagnosis or medical advice.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.