A. prevent cross-contamination.
        
             
        
        
        
A tendency for the brain's left and right hemispheres to serve different functions is called lateralization. It <span>refers to how some neural functions, or cognitive processes tend to be more dominant in one hemisphere than the other. Hope this answers the question. Have a nice day.</span>
        
                    
             
        
        
        
Answer:
The probability of the parents having yellow-bellied off-spring is 100% because all the genotypes have a dominant Y.
It is possible for two yellow-bellied numbats to have a green bellied child if they are both hybrid Yy. The probability of the parents to have a green-bellied child is 25% 
 
        
             
        
        
        
Answer:I don’t know this one.
Explanation:but it should be a