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
Fusion of xiphoid process occurs at? 
Select and explain. 
A. 30 years, B. 10 years, C. 40 years, D. 70 years
C: 40 years
Answer: C: 40 years 
Explanation: Ans. (c) 40 yearsRef: Textbook of Forensic medicine and Toxicology: Principles and Practice, 5/e, p 43