rs794728319

A SNP in the FBN1 gene on chromosome 15. Its most notable genotype is -;AT: Familial thoracic aortic aneurysms and dissections (FTAAD)

Gene
FBN1
Location
Chr 1548,427,731 (GRCh38)
Highest magnitude
6.5Very important
Tested on
AncestryDNA

Genotypes

As shown in 23andMe and AncestryDNA files.

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

Source and license

Adapted from rs794728319 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 Its entries can be incomplete, out of date or wrong, and nothing here is a diagnosis or medical advice.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.