This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: None, Subject name: Forensic Medicine
Xiphoid fuses with sternum by what age ? 
Select and explain. 
A. 30 years, B. 35 years, C. 40 years, D. 45 years
C: 40 years
Answer: C: 40 years 
Explanation: Ans. is 'c' i.e., 40 years