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: Biochemistry
The features of genetic coding are all, except: 
Select and explain. 
A. Degeneracy, B. Universal, C. Overlapping of codons, D. Unambiguous
C: Overlapping of codons
Answer: C: Overlapping of codons 
Explanation: Overlapping of codons