WAGR syndrome is caused by defect in which chromosome:
High-Yield Explanation
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: Langman's embryology 11th edition Chapter 15.