Answer:
They are know as heterozygous alleles. 
Explanation:
Two IDENTICAL alleles are known as homozygous<em> </em>alleles.
I hope this helps you understand the difference, and as always, I am joyous to assist anyone at any time. 
 
        
             
        
        
        
It is true that a courtroom judge's decisions should be fair and impartial, rather than biased and subjective. The correct answer is true. 
        
                    
             
        
        
        
It creates cells that are copies