Answer:
Duplication is a type of mutation that involves the production of one or more copies of a gene or region of a chromosome. Gene and chromosome duplications occur in all organisms, though they are especially prominent among plants. Gene duplication is an important mechanism by which evolution occurs.
 
        
             
        
        
        
 B. Crab
is your answer
An crab has an exoskeleton
hope this helps
        
             
        
        
        
Answer:
No
Explanation:
Just because you are deferant dose not mean that your baby wourld have to turn out that way.
 
        
             
        
        
        
Cytosol   i think hope this helped