rs17703883

A SNP in the CYP19A1 gene on chromosome 15. Its most notable genotype is C;C.

Gene
CYP19A1
Location
Chr 1551,237,900 (GRCh38)
Highest magnitude
0.0Typical
Tested on
23andMe, AncestryDNA, FamilyTreeDNA
Minor allele frequency
22%

Genotypes

As shown in 23andMe and AncestryDNA files.

  1. C;CMost notableNot ratedNo summary available.Typical · 0.06% of people
  2. T;TNot ratedNo summary available.Typical · 0.067% 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 6% T;T 67%
  • European ancestry (Utah)C;C 5% T;T 66%
  • Han Chinese (Beijing)C;C 9% T;T 55%
  • Japanese (Tokyo)C;C 11% T;T 57%
  • Yoruba (Nigeria)C;C 0% T;T 100%
  • African ancestry (Southwest US)C;C 0% T;T 86%
  • Chinese (Denver)C;C 9% T;T 45%
  • Gujarati IndianC;C 7% T;T 55%
  • Luhya (Kenya)C;C 0% T;T 96%
  • Mexican ancestry (Los Angeles)C;C 10% T;T 48%
  • Maasai (Kenya)C;C 0% T;T 88%
  • TuscanC;C 13% T;T 47%

Other CYP19A1 SNPs

All CYP19A1 SNPs

Notes

From SNPedia

Notes

The research paper suggests that the 3 snps rs17703883, rs12594287 and rs16964201 affect bone mineral density in men.

Source and license

Adapted from rs17703883 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 Its entries can be incomplete, out of date or wrong, and nothing here is a diagnosis or medical advice.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.