Chromosome 16p13.3 Duplication Syndrome, also known as 16p13.3 microduplication syndrome, is related to cleft lip and cleft lip/palate. An important gene associated with Chromosome 16p13.3 Duplication Syndrome is DUP16P13.3 (Chromosome 16p13.3 Duplication Syndrome). Affiliated tissues include heart and eye, and related phenotypes are global developmental delay and upslanted palpebral fissure