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: Microbiology
Same or closely related antigens present in different biological species are known as 
Select and explain. 
A. Sequestrated antigens, B. Isoantigens, C. Haptens, D. Heterophile antigens
D: Heterophile antigens
Answer: D: Heterophile antigens 
Explanation: None