rs1800858

A SNP in the RET gene on chromosome 10. Its most notable genotype is A;A: normal

Gene
RET
Location
Chr 1043,100,520 (GRCh38)
Highest magnitude
0.0Typical
Tested on
23andMe, AncestryDNA
Minor allele frequency
28%

Genotypes

As shown in 23andMe and AncestryDNA files.

  1. A;AMost notableNot ratednormalTypical · 0.09% of people
  2. A;GNot ratedprobably normalTypical · 0.032% of people
  3. G;GNot ratedmay predispose somehow to Hirschsprung diseaseTypical · 0.059% of people

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

Frequency

Share of each genotype in 11 HapMap populations.

  • AverageA;A 9% A;G 32% G;G 59%
  • European ancestry (Utah)A;A 4% A;G 49% G;G 48%
  • Han Chinese (Beijing)A;A 29% A;G 49% G;G 23%
  • Japanese (Tokyo)A;A 20% A;G 50% G;G 30%
  • Yoruba (Nigeria)A;A 0% A;G 4% G;G 96%
  • African ancestry (Southwest US)A;A 0% A;G 12% G;G 88%
  • Chinese (Denver)A;A 21% A;G 51% G;G 28%
  • Gujarati IndianA;A 10% A;G 46% G;G 45%
  • Luhya (Kenya)A;A 0% A;G 7% G;G 93%
  • Mexican ancestry (Los Angeles)A;A 5% A;G 21% G;G 74%
  • Maasai (Kenya)A;A 5% A;G 31% G;G 64%
  • TuscanA;A 7% A;G 34% G;G 59%

Source and license

Adapted from rs1800858 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 Its entries can be incomplete, out of date or wrong, and nothing here is a diagnosis or medical advice.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.