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Traits

Traits linked to M1AP

meiosis 1 associated protein

The Human Phenotype Ontology links 4 traits to M1AP, by body system: features seen in people with one of the gene's rare conditions.

Abnormality of the genitourinary system

TraitHow often it is seen
Absent sperm in semenAlways
Low sperm countAlways
Male infertilityAlways
Spermatogenesis maturation arrestNot recorded

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 M1AP and how often each is seen. Find out more at hpo.jax.org.

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