This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Sexuality and intersexuality, Subject name: Gynaecology & Obstetrics
Which of the following statement is/are true regarding androgen insensitivity syndrome? 
Select and explain. 
A. vagina is formed, B. Karyotype is XX, C. Karyotype is XY, D. Pubic hair is normally present
C: Karyotype is XY
Answer: C: Karyotype is XY 
Explanation: Androgen insensitivity syndrome phenotype is female Karyotype is 46,xy testis present in the inguinal canal lack pubic and axillary hair Absent uterus and upper vagina Blind pouch of Lower vagina SHAW'S TEXTBOOK OF GYNAECOLOGY,Pg no:286,15th edition