Answer:
the cell cycle
Explanation:
Image of the cell cycle. Interphase is composed of G1 phase (cell growth), followed by S phase (DNA synthesis), followed by G2 phase (cell growth). At the end of interphase comes the mitotic phase, which is made up of mitosis and cytokinesis and leads to the formation of two daughter cells.
 
        
                    
             
        
        
        
Answer:
Survey
Explanation:
Because if you think about it carefully you really cant observe it. Your main goal is to compare them and with that we need a survey to get the data from both sides. Leaving us with the Survey 
 
        
             
        
        
        
Answer:
where are the perents phenotypes???
 
        
             
        
        
        
I believe that you're question is referring to homeostasis