rs111033744

A SNP in the GALT gene on chromosome 9. Its most notable genotype is C;C: Galactosemia (predicted); see discussion

Gene
GALT
Location
Chr 934,648,395 (GRCh38)
Highest magnitude
8.0Very important
Tested on
Not on consumer chips

Genotypes

As shown in 23andMe and AncestryDNA files.

  1. A;AGoodcommon in clinvarTypical · 0.0
  2. A;CBadCarrier of a GALT gene mutationImportant · 3.0
  3. A;GBadCarrier of a GALT gene mutationImportant · 3.0
  4. C;CMost notableBadGalactosemia (predicted); see discussionVery important · 8.0
  5. G;GBadGalactosemia (predicted); see discussionVery important · 8.0

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

Other GALT SNPs

All GALT SNPs

Notes

From SNPedia

Notes

c.626A>C (p.Tyr209Ser) and c.626A>G (p.Tyr209Cys) 23andMe name for c.626A>G: i5012729

A;C

Unaffected in absence of a second GALT gene mutation; see discussion at the GALT gene page.

A;G

Unaffected in absence of a second GALT gene mutation; see discussion at the GALT gene page.

C;C

See discussion at GALT gene; condition is treated by dietary modifications.

G;G

See discussion at GALT gene; condition is treated by dietary modifications.

Source and license

Adapted from rs111033744 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 Its entries can be incomplete, out of date or wrong, and nothing here is a diagnosis or medical advice.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.