1.underground stem -- for storage of food ex. potato , ginger.
2.spines for protection ex. citrus , bougainvillea
        
             
        
        
        
Out of the following, the one that would most likely happen if DNA polymerase were not functioning properly during DNA replication is the new strands of DNA would not be an exact copy of the original DNA. So the correct answer will be C. 
        
                    
             
        
        
        
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Option a is the correct answer