Traits

Traits linked to WNT9B

Wnt family member 9B

The Human Phenotype Ontology links 18 traits to WNT9B, 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
Eye folds	Very often (80–99%)
Flat nose	Very often (80–99%)
Cleft palate	Sometimes (5–29%)
Non-midline cleft of the upper lip	Sometimes (5–29%)

Abnormality of the genitourinary system

Trait	How often it is seen
Absent kidney	Very often (80–99%)
Urogenital fistula	Often (30–79%)
Abnormal morphology of female internal genitalia	Sometimes (5–29%)

Abnormality of prenatal development or birth

Trait	How often it is seen
Low levels of amniotic fluid	Very often (80–99%)
Fetal polyuria	Often (30–79%)

Abnormality of the digestive system

Trait	How often it is seen
Abnormal connection between trachea and esophagus	Often (30–79%)
Abnormality of the intestine	Often (30–79%)

Abnormality of limbs

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

Abnormality of the cardiovascular system

Trait	How often it is seen
Abnormal cardiovascular system morphology	Often (30–79%)

Abnormality of the ear

Trait	How often it is seen
Low-set ears	Very often (80–99%)

Abnormality of the eye

Trait	How often it is seen
Wide-set eyes	Very often (80–99%)

Abnormality of the musculoskeletal system

Trait	How often it is seen
Abnormal sacrum morphology	Often (30–79%)

Abnormality of the respiratory system

Trait	How often it is seen
Poorly developed lungs	Very often (80–99%)

Laboratory abnormality

Trait	How often it is seen
Nonketotic hypoglycemia	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 WNT9B and how often each is seen. Find out more at hpo.jax.org.

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