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: Anatomy
Bones ossified at bih: 
Select and explain. 
A. Lower end of femur, B. Calcaneum, C. Upper end tibia, D. All
D: All
Answer: D: All 
Explanation: A i.e., Lower end femur B i.e., Calcaneum C i.e., Upper end tibia