Chromosome 17p13.1 Deletion Syndrome, is also known as classical lissencephalies and subcortical band heterotopias, and has symptoms including sleep disturbances An important gene associated with Chromosome 17p13.1 Deletion Syndrome is DEL17P13.1 (Chromosome 17p13.1 Deletion Syndrome). Affiliated tissues include testis, and related phenotypes are webbed neck and global developmental delay