This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Identification - Medicolegal aspects, Subject name: Forensic Medicine
Ossification of proximal end of ulna takes place at what age: 
Select and explain. 
A. 10 years, B. 12 years, C. 13 years, D. 16 years
D: 16 years
Answer: D: 16 years 
Explanation: ANSWER: (D) 16 yearsREF: Parikh 6th edition page, Cunningham s textbook of anatomy page 213Ossification of ulna:Ulna is ossified by one primary and two or more secondary centers AppearanceFusionProximal ulna (secondary center)10 years16 yearsBody (primary center)2nd month of intrauterine lifeAt birthDistal ulna (secondary center)6 years20-23 yearsUnless specified the age is for male