Answer: With gene therapy
Explanation:
Manipulation of DNA or RNA is used to treat disease with gene therapy. This type of therapy is introducing genetic material into cells because it should compensate for abnormal genes or it should also make a beneficial protein. 
 Gene therapy is able in some cases to introduce a normal copy of the gene and after that, it can restore the function of the protein.
 
        
             
        
        
        
Use the scientific method
        
             
        
        
        
This is put together perfectly. 
        
             
        
        
        
I don’t think there is a limit in science because we didn’t discover even half of the ocean.
        
             
        
        
        
Answer:
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