Chromosome 15q11.2 Deletion Syndrome, also known as 15q11.2 microdeletion syndrome, is related to autism spectrum disorder and attention deficit-hyperactivity disorder, and has symptoms including ataxia, seizures and clumsiness. An important gene associated with Chromosome 15q11.2 Deletion Syndrome is DEL15Q11.2 (Chromosome 15q11.2 Deletion Syndrome), and among its related pathways/superpathways are Cell Cycle, Mitotic and Loss of Nlp from mitotic centrosomes. Affiliated tissues include cortex and heart, and related phenotypes are intellectual disability and global developmental delay