<prompt> WAGR syndrome is caused by defect in which chromosome:6101114  <response>: WAGR syndrome is characterized by genital anomalies, aniridia, hemihyperophy, and Wilms tumor. The constellation of defects is due to a microdeletion in chromosome 11 that includes both the PAX6 aniridia and WT1 genes that are only 700 kb apa. Ref: Langmans embryology 11th edition Chapter 15. 