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
First secondary ossification center appears in - 
Select and explain. 
A. Lower end of femur, B. Upper end of humerus, C. Lower end of fibula, D. Upper end of tibia
A: Lower end of femur
Answer: A: Lower end of femur 
Explanation: Ossification centre appears in lower end of femur in 36 weeks.Dr. Narayana Reddys Synopsis of Forensic Medicine & Toxicology 27th edition pg. 46.