Idk what this means sorry
        
                    
             
        
        
        
Answer:
The term “epigenetics” was introduced in 1942 by embryologist Conrad Waddington, who, relating it to the 17th century concept of “epigenesis”, defined it as the complex of developmental processes between the genotype and phenotype.
Explanation:
 
        
             
        
        
        
Answer:
If you're on EDGE 2021, it's NOT D.
I think it's A.