rs397507172

A SNP in the BTD gene on chromosome 3. Its most notable genotype is G;T: Carrier of a biotinidase deficiency mutation

Gene
BTD
Location
Chr 315,641,924 (GRCh38)
Highest magnitude
3.0Important
Tested on
AncestryDNA

Genotypes

As shown in 23andMe and AncestryDNA files.

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

Notes

From SNPedia

Notes

G;T

Unaffected in absence of a second BTD gene mutation

Source and license

Adapted from rs397507172 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 Its entries can be incomplete, out of date or wrong, and nothing here is a diagnosis or medical advice.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.