rs1042636

A SNP in the CASR gene on chromosome 3. Its most notable genotype is A;A: common in complete genomics

Gene
CASR
Location
Chr 3122,284,922 (GRCh38)
Highest magnitude
0.0Typical
Tested on
23andMe, AncestryDNA, FamilyTreeDNA
Minor allele frequency
21%

Genotypes

As shown in 23andMe and AncestryDNA files.

  1. A;AMost notableGoodcommon in complete genomicsTypical · 0.067% of people

On SNPedia: (A;A). 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 67%
  • European ancestry (Utah)A;A 85%
  • Han Chinese (Beijing)A;A 26%
  • Japanese (Tokyo)A;A 22%
  • Yoruba (Nigeria)A;A 93%
  • African ancestry (Southwest US)A;A 91%
  • Chinese (Denver)A;A 27%
  • Gujarati IndianA;A 54%
  • Luhya (Kenya)A;A 98%
  • Mexican ancestry (Los Angeles)A;A 52%
  • Maasai (Kenya)A;A 96%
  • TuscanA;A 88%

Other CASR SNPs

All CASR SNPs

Source and license

Adapted from rs1042636 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 Its entries can be incomplete, out of date or wrong, and nothing here is a diagnosis or medical advice.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.