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
All of the following may occur in Noonan's syndrome except - 
Select and explain. 
A. Hyperophic cardiomyopathy, B. Cryptoorchidism, C. Infeility in females, D. Autosomal dominant transmission
C: Infeility in females
Answer: C: Infeility in females 
Explanation: Ans. is 'c' i.e., Infeility in females Term 'Noonan Syndrome' has been applied to males and females who have some phenotypic features that resemble females with turner's syndrome (45 X, 0), but themselves have apparently normal sex chromosomes (46 XX or 45 XY). o Females usually show normal sexual maturation but it is delayed 2 years on an average.