rs10246256

A SNP in the CNTNAP2 gene on chromosome 7. Its most notable genotype is C;C.

Gene
CNTNAP2
Location
Chr 7147,857,715 (GRCh38)
Highest magnitude
0.0Typical
Tested on
23andMe, FamilyTreeDNA
Minor allele frequency
30%

Genotypes

As shown in 23andMe and AncestryDNA files.

  1. C;CMost notableNot ratedNo summary available.Typical · 0.010% of people
  2. C;TNot ratedNo summary available.Typical · 0.044% of people
  3. T;TNot ratedhigher risk of speech development delay and/or impairmentTypical · 0.046% of people

On SNPedia: (C;C), (C;T), (T;T). Magnitude rates how notable a genotype is from 0 to 10, not how risky it is.

Frequency

Share of each genotype in 4 HapMap populations.

  • AverageC;C 10% C;T 44% T;T 46%
  • European ancestry (Utah)C;C 15% C;T 42% T;T 43%
  • Han Chinese (Beijing)C;C 20% C;T 49% T;T 31%
  • Japanese (Tokyo)C;C 0% C;T 48% T;T 52%
  • Yoruba (Nigeria)C;C 3% C;T 38% T;T 59%

Conditions, medicines and genes

Other CNTNAP2 SNPs

All CNTNAP2 SNPs

Notes

From SNPedia

Notes

Speech development rs4431523, rs17236239 and significant associations (with P values from 0.01 to 5.0x10–5) between nonsense-word repetition and nine intronic SNPs (rs851715, rs10246256, rs2710102, rs759178, rs1922892, rs2538991, rs17236239, rs2538976, and rs2710117)

Source and license

Adapted from rs10246256 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 Its entries can be incomplete, out of date or wrong, and nothing here is a diagnosis or medical advice.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.