chromosome 15q11.2 deletion syndrome

A chromosomal deletion syndrome that is characterized by intellectual disability, dysmorphic facies, psychiatric illness and autism spectrum disorder, has_material_basis_in autosomal dominant inheritance of partial deletion of the long arm of chromosome 15.

Signs and symptoms

• Delayed speech and language development
• Hypotonia
• Ataxia
• Generalized hypotonia
• Intellectual disability
• Clumsiness
• Cleft palate
• Feeding difficulties
• Global developmental delay
• Compulsive behaviors

Also known as: 15q11.2 microdeletion syndrome