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
Which one of the following is NOT true regarding Noonan's syndrome - 
Select and explain. 
A. Affects males and females, B. Sho stature, C. Chromosomal abnormality, D. Congenital hea disease - ASD
C: Chromosomal abnormality
Answer: C: Chromosomal abnormality 
Explanation: Ans. is 'c' i.e., Chromosomal abnormality