The answer is 
D) Pp, PP, and pp.
i attached a picture of a punnett square i did to help you understand the answer more, if you want.
 
        
        
        
The amount of light with not effect the rate of photosynthesis
        
             
        
        
        
The best conclusion about the
life cycle of this plant is the plant is
a gymnosperm, and the sporophyte is its dominant phase. The
correct answer between all the choices given is the second choice or letter B. I
am hoping that this answer has satisfied your query and it will be able to help
you in your endeavor, and if you would like, feel free to ask another question.
 
        
                    
             
        
        
        
Population because you are holding it