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
Rule of Hasse is used to determine: DNB 09; Punjab 10; NEET 13 
Select and explain. 
A. Age of fetus, B. Height of an adult, C. Race of a person, D. Identification
A: Age of fetus
Answer: A: Age of fetus 
Explanation: Ans. Age of fetus