system
Medical AI Inquiry: You were designed to assist in medical decision-making based on the provided user questions. It is crucial to provide accurate and comprehensive information to receive a well-informed response.
user
All of the following are true regarding Down's Syndrome EXCEPT;
assistant
The correct answer is  Down's syndrome (Trisomy 21): Mental retardation Epicanthic folds and flat facial profile Simian's crease Umblical hernia Hypotonia Gap between first and second toe Congenital hea defects