rs10772420

A SNP in the TAS2R19 gene on chromosome 12. Its most notable genotype is A;A: More intense perception of quinine

Gene
TAS2R19
Location
Chr 1211,021,677 (GRCh38)
Highest magnitude
0.0Typical
Tested on
23andMe, AncestryDNA, FamilyTreeDNA
Minor allele frequency
50%

Genotypes

As shown in 23andMe and AncestryDNA files.

  1. A;AMost notableNot ratedMore intense perception of quinineTypical · 0.013% of people
  2. A;GNot ratedMedian more intense perception of quinineTypical · 0.043% of people
  3. G;GNot ratedLess intense perception of quinineTypical · 0.043% 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 13% A;G 43% G;G 43%
  • European ancestry (Utah)A;A 29% A;G 49% G;G 22%
  • Han Chinese (Beijing)A;A 4% A;G 36% G;G 61%
  • Japanese (Tokyo)A;A 7% A;G 28% G;G 65%
  • Yoruba (Nigeria)A;A 12% A;G 53% G;G 35%
  • African ancestry (Southwest US)A;A 19% A;G 47% G;G 33%
  • Chinese (Denver)A;A 6% A;G 30% G;G 63%
  • Gujarati IndianA;A 2% A;G 35% G;G 63%
  • Luhya (Kenya)A;A 10% A;G 48% G;G 42%
  • Mexican ancestry (Los Angeles)A;A 14% A;G 55% G;G 31%
  • Maasai (Kenya)A;A 20% A;G 53% G;G 28%
  • TuscanA;A 23% A;G 43% G;G 34%

Source and license

Adapted from rs10772420 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 Its entries can be incomplete, out of date or wrong, and nothing here is a diagnosis or medical advice.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.