<prompt> Hereditary retinoblastomas develop the following chromosomal deletion13q 1413p 1414p 1314q 13  <response>: A 13q 14 Deletion of a small number of tightly clustered genes result in a number of genetic disorders termed as microdeletion syndromes. Some of the important ones that have been asked include: Wilms tumor-Aniridia complex 2 WAGR syndrome IIpI36 Part of deletion of short arm of chromosome 11 Retinoblastoma 13qI4.116 deletion of part of long arm of chromosome 13 Prader-Willi syndrome, Angelman syndrome6 15qII-136 deletion of pa rt of long arm of chromosome 15 DiGeorges syndrome, Velo-cardiofacial syndrome 22qII6 deletion of part of long arm of chromosome 22 