This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Schizophrenia Spectrum and Other Psychotic Disorders, Subject name: Psychiatry
Schizophrenia is a common presentation is which genetic disease? 
Select and explain. 
A. Down's syndrome, B. DiGeorge syndrome, C. Klinefelter's syndrome, D. Neurofibromatosis
B: DiGeorge syndrome
Answer: B: DiGeorge syndrome 
Explanation: DiGeorge syndrome (22q11.2 deletion, velocardiofacial syndrome):30% have schizophrenia when reaches adulthood.