Traits

Traits linked to RALA

RAS like proto-oncogene A

The Human Phenotype Ontology links 22 traits to RALA, by body system: features seen in people with one of the gene's rare conditions.

Abnormality of head or neck

Trait	How often it is seen
Exaggerated cupid's bow	Not recorded
Eye folds	Not recorded
Horizontal eyebrow	Not recorded
Nasal tip, upturned	Not recorded
Pointed chin	Not recorded
Prominent forehead	Not recorded
Short philtrum	Not recorded
Thin red part of the upper lip	Not recorded
Wide nasal bridge	Not recorded

Abnormality of the nervous system

Trait	How often it is seen
Autism spectrum disorder	Always
Delayed speech and language development	Always
Global developmental delay	Always
Intellectual disability	Always
Absent speech development	Often (30–79%)
Delayed ability to walk	Often (30–79%)
Epilepsy	Often (30–79%)

Abnormality of limbs

Trait	How often it is seen
Curvature of digit	Often (30–79%)
Webbed 2nd and 3rd toes	Often (30–79%)

Abnormality of the ear

Trait	How often it is seen
Ears rotated toward back of head	Not recorded
Low-set ears	Not recorded

Abnormality of the eye

Trait	How often it is seen
Drooping upper eyelid	Not recorded

Abnormality of the musculoskeletal system

Trait	How often it is seen
Low muscle tone	Very often (80–99%)

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 RALA and how often each is seen. Find out more at hpo.jax.org.

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