This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Identification, Subject name: Forensic Medicine
Ilio-pectineal line is used to determine difference in - 
Select and explain. 
A. Sex, B. Race, C. Age, D. None of the above
A: Sex
Answer: A: Sex 
Explanation: Ilio-pectinate line: to determine the sex of an individual It is well marked and rough in males It is rounded and smooth in females REF: The Synopsis of Forensic Medicine and Toxicology by Dr K.S.Narayan Reddy 29th edition page no: 36.