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
Best specimen of bone for sex determination is - 
Select and explain. 
A. Femur, B. Pelvis, C. Skull, D. Mandible
B: Pelvis
Answer: B: Pelvis 
Explanation: According to Krogman, the degree of accuracy in sexing adult skull remains is: Entire skeleton 100% Pelvis alone 95% Skull alone 90% Pelvis plus skull 98% Long bones alone 80% Dr. Narayana Reddys Synopsis of Forensic Medicine & Toxicology 27th edition pg. 30.