This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Congenital malformations, Subject name: Gynaecology & Obstetrics
SRY gene is located on 
Select and explain. 
A. Sho arm of Y chromosome, B. Long arm of Y Chromosome, C. Sho arm of X chromosome, D. Long arm of X chromosome
A: Sho arm of Y chromosome
Answer: A: Sho arm of Y chromosome 
Explanation: The elaboration of H-Y antigen complex in the sho arm of Y chromosome is known as sex determining region(SRY), which induces testicular development Ovarian determinant : Unless SRY is expressed ovarian development ensues in the presence of XX karyotype SHAW&;S TEXTBOOK OF GYNAECOLOGY,Pg no:106,15th edition