Chromosome 3q29 Duplication Syndrome, also known as chromosome 3q29 microduplication syndrome, is related to chromosome 3q29 deletion syndrome and autism spectrum disorder. An important gene associated with Chromosome 3q29 Duplication Syndrome is DUP3Q29 (Chromosome 3q29 Microduplication Syndrome), and among its related pathways/superpathways is 3q29 copy number variation syndrome. Affiliated tissues include eye and heart, and related phenotypes are intellectual disability and hypotonia