Chromosome 17q11.2 Duplication Syndrome, 1.4-Mb, is also known as 17q11.2 microduplication syndrome. An important gene associated with Chromosome 17q11.2 Duplication Syndrome, 1.4-Mb is DUP17Q11.2 (Chromosome 17q11.2 Duplication Syndrome, 1.4-Mb). Related phenotypes are intellectual disability and global developmental delay