rs3912

A SNP in the TXLNGY gene on chromosome Y. Its most notable genotype is T;T: M21+

Gene
TXLNGY
Location
Chr Y19,570,453 (GRCh38)
Highest magnitude
2.5Worth knowing
Tested on
23andMe, AncestryDNA

Genotypes

As shown in 23andMe and AncestryDNA files.

  1. A;ANot ratedM21-Typical · 0.0
  2. A;TNot ratedM21-Typical · 0.0
  3. T;TMost notableNot ratedM21+Worth knowing · 2.5

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

Other TXLNGY SNPs

All TXLNGY SNPs

Genosets

Genosets combine several genotypes. Twofold checks them in your report.

Source and license

Adapted from rs3912 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 Its entries can be incomplete, out of date or wrong, and nothing here is a diagnosis or medical advice.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.