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: Medicine
Karyotype of testicular feminisation- 
Select and explain. 
A. 45 XO, B. 47 XXY, C. 46 XY, D. 46 XXY
C: 46 XY
Answer: C: 46 XY 
Explanation: None