Traits

Traits linked to FOXI3

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The Human Phenotype Ontology links 9 traits to FOXI3, by body system: features seen in people with one of the gene's rare conditions.

Abnormality of the ear

Trait	How often it is seen
Small ears	Always
Abnormal shape/structure of ear	Very often (80–99%)
Cockleshell ear	Sometimes (5–29%)
Microtia, first degree	Sometimes (5–29%)

Abnormality of head or neck

Trait	How often it is seen
Little lower jaw	Often (30–79%)
Bifid uvula	Sometimes (5–29%)
Submucous cleft palate	Sometimes (5–29%)

Abnormality of the integument

Trait	How often it is seen
Skin tags	Sometimes (5–29%)

Abnormality of the nervous system

Trait	How often it is seen
Dermal sinus tract	Sometimes (5–29%)

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.

Where this comes from

The Human Phenotype Ontology, release 2026-09-01: the traits linked to FOXI3 and how often each is seen. Find out more at hpo.jax.org.

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