RT Book, Section A1 Carey, John C. A2 Rudolph, Colin D. A2 Rudolph, Abraham M. A2 Lister, George E. A2 First, Lewis R. A2 Gershon, Anne A. SR Print(0) ID 6728689 T1 Chapter 174. Chromosome Disorders T2 Rudolph's Pediatrics, 22e YR 2011 FD 2011 PB The McGraw-Hill Companies PP New York, NY SN 978-0-07-149723-7 LK accesspediatrics.mhmedical.com/content.aspx?aid=6728689 RD 2024/10/11 AB Chromosome disorders and their associated syndromes can be classified into abnormalities of chromosome number and chromosome structure as well as divided into conditions involving autosomes and those involving sex chromosomes.1,2 Three autosomal trisomy syndromes involving chromosomes 21, 18, and 13 and the now well-recognized 22q11 deletion syndrome are the most common disorders involving the autosomes.