rs2056202

A SNP in the SLC25A12 gene on chromosome 2. Its most notable genotype is C;C: common but increased risk of autism

Gene
SLC25A12
Location
Chr 2171,855,970 (GRCh38)
Highest magnitude
2.0Worth knowing
Tested on
23andMe, AncestryDNA
Minor allele frequency
23%

Genotypes

As shown in 23andMe and AncestryDNA files.

  1. C;CMost notableBadcommon but increased risk of autismWorth knowing · 2.060% of people
  2. T;TGoodrare decreased risk of autismWorth knowing · 2.010% 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 60% T;T 10%
  • European ancestry (Utah)C;C 77% T;T <1%
  • Han Chinese (Beijing)C;C 78% T;T 4%
  • Japanese (Tokyo)C;C 83% T;T <1%
  • Yoruba (Nigeria)C;C 33% T;T 18%
  • African ancestry (Southwest US)C;C 46% T;T 21%
  • Chinese (Denver)C;C 83% T;T <1%
  • Gujarati IndianC;C 78% T;T 1%
  • Luhya (Kenya)C;C 31% T;T 21%
  • Mexican ancestry (Los Angeles)C;C 33% T;T 22%
  • Maasai (Kenya)C;C 43% T;T 14%
  • TuscanC;C 81% T;T 1%

Source and license

Adapted from rs2056202 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 Its entries can be incomplete, out of date or wrong, and nothing here is a diagnosis or medical advice.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.