This group is for parents of chromosome 17 syndromes. 17q, 17p, 17q duplications, 17q duplications, 17q deletions, 17p deletions, 17q21, any type of rare chromosome disorders that affect the chromosome 17. my son personally has 17q21.31 microdeletion syndrome. I am starting this site in hopes to connect to other parents with chromosome 17 abnormalities, so that we may able to come together and support each other and learn about families of chromo. 17 disorders. So that we as parents may share and learn from our special children.