This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Miscellaneous, Subject name: Medicine
45X0 seen in 
Select and explain. 
A. Down's syndrome, B. Turner's syndrome, C. Klinefelter's syndrome, D. True hermaphroditism
B: Turner's syndrome
Answer: B: Turner's syndrome 
Explanation: (B) Turner's syndrome CLINICAL FEATURES OF THE DISORDERS OF CHROMOSOMAL SEXDisorderCommon Chromosomal Complement* Klinefelter syndrome7, XXY or 46, XY/47.XXY* Turner syndrome45, X or 46, XX/45, X* Mixed gonadal dysgenesis46, XY/45, X* True hermaphroditism46, XY/46, XX