This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Genetics And Genetic Disorders, Subject name: Pediatrics
All of the following may occur in Noonan syndrome except: 
Select and explain. 
A. Hypertrophic cardiomyopathy, B. Cryptorchidism, C. Infertility in females, D. Autosomal dominant transmission
C: Infertility in females
Answer: C: Infertility in females 
Explanation: c. Infertility in females(Ref: Nelson's 20/e p 2744-2746, Ghai 8/e p 640-641)Turner syndromeNoonan syndromeKaryotype 45, XOKaryotype normalInfertileFertile but delayed pubertySeen only in femalesMay be seen in males or femalesIntelligence normalIntellectual disability present