Trait
Stuttering
Disruptions in the production of speech sounds, with involuntary repetitions of words or parts of words, prolongations of speech sounds, or complete blockage of speech production for several seconds.
Summary
- Also called
- Stammering
- Body system
- Abnormality of the nervous system
Reference genomeGRCh38hg38
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Get my Genome Test25 genes linked to Stuttering
Changes in these genes cause rare conditions in which Stuttering is seen. Most people with this trait have none of those conditions, and a gene on this list says nothing about anyone's own genome.
| Gene | How often it is seen | Conditions |
|---|---|---|
| NSD1nuclear receptor binding SET domain protein 1 | Always | In 1 condition |
| RRP12ribosomal RNA processing 12 homolog | Always | In 1 condition |
| SCYL1SCY1 like pseudokinase 1 | Always | In 2 conditions |
| UBAP2Lubiquitin associated protein 2 like | Always | In 1 condition |
| MAPTmicrotubule associated protein tau | Very often (80–99%) | In 1 condition |
| LAS1LLAS1 like ribosome biogenesis factor | Often (30–79%) | In 1 condition |
| CHD3chromodomain helicase DNA binding protein 3 | Sometimes (5–29%) | In 1 condition |
| HEXBhexosaminidase subunit beta | Sometimes (5–29%) | In 1 condition |
| MT-CO1mitochondrially encoded cytochrome c oxidase I | Sometimes (5–29%) | In 1 condition |
| MT-CO2mitochondrially encoded cytochrome c oxidase II | Sometimes (5–29%) | In 1 condition |
| MT-CO3mitochondrially encoded cytochrome c oxidase III | Sometimes (5–29%) | In 1 condition |
| MT-ND1mitochondrially encoded NADH:ubiquinone oxidoreductase core subunit 1 | Sometimes (5–29%) | In 1 condition |
| MT-ND4mitochondrially encoded NADH:ubiquinone oxidoreductase core subunit 4 | Sometimes (5–29%) | In 1 condition |
| MT-ND5mitochondrially encoded NADH:ubiquinone oxidoreductase core subunit 5 | Sometimes (5–29%) | In 1 condition |
| MT-ND6mitochondrially encoded NADH:ubiquinone oxidoreductase core subunit 6 | Sometimes (5–29%) | In 1 condition |
| MT-TFmitochondrially encoded tRNA-Phe (UUU/C) | Sometimes (5–29%) | In 1 condition |
| MT-THmitochondrially encoded tRNA-His (CAU/C) | Sometimes (5–29%) | In 1 condition |
| MT-TL1mitochondrially encoded tRNA-Leu (UUA/G) 1 | Sometimes (5–29%) | In 1 condition |
| MT-TQmitochondrially encoded tRNA-Gln (CAA/G) | Sometimes (5–29%) | In 1 condition |
| MT-TS1mitochondrially encoded tRNA-Ser (UCN) 1 | Sometimes (5–29%) | In 1 condition |
| MT-TS2mitochondrially encoded tRNA-Ser (AGU/C) 2 | Sometimes (5–29%) | In 1 condition |
| MT-TWmitochondrially encoded tRNA-Trp (UGA/G) | Sometimes (5–29%) | In 1 condition |
| NEXMIFneurite extension and migration factor | Sometimes (5–29%) | In 1 condition |
| AP4E1adaptor related protein complex 4 subunit epsilon 1 | Not recorded | In 1 condition |
| TDO2tryptophan 2,3-dioxygenase | Not recorded | In 1 condition |
How often is among people with one of the gene's conditions, the most often across them, as the Human Phenotype Ontology records it. These pages describe traits and the research behind them; they are not a diagnosis, and a doctor or genetic counsellor is the person to ask about symptoms.
Broader traits
Where this comes from
- The Human Phenotype Ontology, release 2026-09-01: the trait, its names, its definition and the genes linked to it. Find out more at hpo.jax.org.
- Data release 2026.10.16-c6eea6bf.
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