Answer:
b. cell x because it has chloroplast.
 
        
             
        
        
        
Question is incomplete i have added full question in ask for detail section as well as in picture format with answer. See figure for clear explanation.
Answer:
(Twisted leaves)
The mutant allele is dominant to its corresponding wild-type allele
(Forked leaves)
The mutant allele is dominant to its corresponding wild-type allele
(pale leaves)
The mutant allele is neither dominant nor completely recessive to its corresponding wild-type allele
Explanation:
I have attached picture which explains phenomenon it self.
 
        
             
        
        
        
Antarctic Treaty, Antarctica is the only continent without a native population is an agreement regulating the international situation. Signed in 1959, began to be implemented in 1961. Has been approved so far been signed by 50 countries.
<span>Treaty of Antarctica can be used freely for scientific study and indicates the military can not be used for any purpose.</span>
        
             
        
        
        
<span>B) A single antibiotic is able to quickly and easily kill millions of genetically identical bacteria
As they have reproduced Asexually they are all identical and can be wiped out easily.</span>