rs121964851

A SNP in the TPM3 gene on chromosome 1. Its most notable genotype is -;-: Nemaline Myopathy 1

Gene
TPM3
Location
Chr 1154,167,937 (GRCh38)
Highest magnitude
4.0Very important
Tested on
Not on consumer chips

Genotypes

As shown in 23andMe and AncestryDNA files.

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

Source and license

Adapted from rs121964851 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 Its entries can be incomplete, out of date or wrong, and nothing here is a diagnosis or medical advice.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.