Term Name:	chromosome 1q21.1 deletion syndrome
Synonyms:	1q21.1 microdeletion syndrome, monosomy 1q21.1
Definition:	A chromosomal deletion syndrome that has_material_basis_in a contiguous deletion of the 1q21.1 region on chromosome 1 and is characterized by an increases the risk of delayed development, intellectual disability, physical abnormalities, and neurological and psychiatric problems.
Ontology:	Human Disease [DOID:0060411]   ( DOID:0060411 )