The answer is D. Always true in all places
        
                    
             
        
        
        
I'm almost certain that the answer would be X and Y
Hoped this helped!
        
             
        
        
        
Answer:
By knocking out genes responsible for certain conditions it is possible to create animal model organisms of human diseases. As well as producing hormones, vaccines and other drugs , genetic engineering has the potential to cure genetic diseases through gene therapy.
Explanation:
Believe it!!
 
        
                    
             
        
        
        
They are connected by tendons