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: Gynaecology & Obstetrics
In testicular feminisation syndrome:a) Buccal smear is chromatin positiveb) Normal breast size is observedc) Menstruation is scanty and infrequent d) Familial incidence is recognised 
Select and explain. 
A. c, B. bd, C. ab, D. ac
B: bd
Answer: B: bd 
Explanation: In testicular feminization syndrome:
Genotype = 46 XY
• Hence borr body is absent i.e. chromatin negative (i.e., option a is incorrect)
• It is inherited as X-linked recessive gene.
(i.e. option d is correct).
Rest all options you know.