1q21.1 recurrent region (BP3-BP4, distal) (includes GJA5) Gain
PanelMode of inheritanceDetails
1 panel
Component of the following Super Panels:
  • - Hypotonic infant
  • - Paediatric disorders
  • - White matter disorders - childhood onset
R-numbers: R29
Signed-off version 4.4
MONOALLELIC, autosomal or pseudoautosomal, imprinted status unknown
Chromosome 1q21.1 duplication syndrome, ncomplete penetrance and variable expression characterized by macrocephaly, developmental delay, intellectual disability, psychiatric disturbances (autism spectrum disorder, attention deficit hyperactivity disorder, schizophrenia, mood disorders) and mild facial dysmorphism (high forehead, hypertelorism). Other associated features include congenital heart defects, hypotonia, short stature, scoliosis, 612475, 1q21.1 microduplication syndrome