2q24 microdeletion syndrome (Monarch Disease Ontology term MONDO_0015566) is a chromosomal anomaly consisting of a partial long arm deletion of chromosome 2 and characterized clinically by a wide range of manifestations (depending on the specific region deleted) which can include seizures, microcephaly, dysmorphic features, cleft palate, eye abnormalities (coloboma, cataract and microphthalmia), growth retardation, failure to thrive, heart defects, limb anomalies, developmental delay and autism. Also known as: Del(2)(q24), monosomy 2q24.