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: Forensic Medicine
Two Barr bodies are seen in - 
Select and explain. 
A. XXX, B. 47 XXY, C. X0, D. 46 XXY
A: XXX
Answer: A: XXX 
Explanation: A number of Barr bodies in a nucleus is less than the number of X-chromosomes.
Thus XXX (super-female) has two Barr bodies.