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
[{'content': 'Somatic mutations involve: \nSelect and explain. \nA. Deletion, B. Plasmid mediated, C. Frame-shift alteration in coding nucleotides, D. None', 'role': 'user'}, {'content': 'Answer: C \nExplanation: C i.e. Frame shift alteration in coding nucleotide', 'role': 'assistant'}]