This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: None, Subject name: Pediatrics
NOT a feature of Fragile X syndrome 
Select and explain. 
A. Low set ears, B. X-linked dominant inheritance, C. Large gonads, D. Intellectual disability
A: Low set ears
Answer: A: Low set ears 
Explanation: Fragile X syndrome follows X-linked dominant inheritance Clinical features are

Elongated face
Increased risk of ADHD and Autism
Large gonads
Intellectual disability
Large ears (not low set ears)