rs6732426

A SNP in the THADA gene on chromosome 2. Its most notable genotype is C;C: curlier hair

Gene
THADA
Location
Chr 243,360,365 (GRCh38)
Highest magnitude
2.0Worth knowing
Tested on
23andMe, AncestryDNA
Minor allele frequency
42%

Genotypes

As shown in 23andMe and AncestryDNA files.

  1. C;CMost notableNot ratedcurlier hairWorth knowing · 2.041% of people
  2. T;TNot ratedstraighter hairWorth knowing · 2.026% of people

On SNPedia: (C;C), (T;T). 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.

  • AverageC;C 41% T;T 26%
  • European ancestry (Utah)C;C 19% T;T 25%
  • Han Chinese (Beijing)C;C 88% T;T 0%
  • Japanese (Tokyo)C;C 93% T;T 0%
  • Yoruba (Nigeria)C;C 10% T;T 51%
  • African ancestry (Southwest US)C;C 7% T;T 49%
  • Chinese (Denver)C;C 92% T;T 0%
  • Gujarati IndianC;C 32% T;T 28%
  • Luhya (Kenya)C;C 4% T;T 62%
  • Mexican ancestry (Los Angeles)C;C 60% T;T 5%
  • Maasai (Kenya)C;C 15% T;T 47%
  • TuscanC;C 28% T;T 20%

Other THADA SNPs

All THADA SNPs

Source and license

Adapted from rs6732426 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 Its entries can be incomplete, out of date or wrong, and nothing here is a diagnosis or medical advice.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.