Ben-Abdallah-Bouhjar et al. [19] hypothesized that the NCAM1, DRD2, THY1, and GRIK4 genes at 11q23.2-q23.3 region may be responsible for intellectual disability, short stature, dysmorphic facial features, hypotonia, and congenital heart defects. The gene discussed is THY1; the disease is Intellectual disability.