This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: General pathology, Subject name: Pathology
All of the following genetic conditions are with increased risk for cancers except- 
Select and explain. 
A. Down 's syndrome, B. Turner's syndrome, C. Neurofibromatosis type I, D. None
D: None
Answer: D: None 
Explanation: Robbins basic pathology 9th edition Answer is option4, none Downs syndrome, turners syndrome, neurofibromatosis type1, all increase the risk of cancers since all these are caused due to chromosomal mutations. Hence there is more chance of increased cell proliferations in these conditions.