Is/are the raw material of evolutionary change
a. genetic drift
b. nonrandom mating
c. assortative mating
d. mutations

d. Mutations

Mutations are a natural phenomenon that are alterations or slight modifications that occurs in the DNA. It actually is typical for these modifications to occur in most DNA in our chromosomes. Though the changes both intrinsically and extrinsically can only be the result of such need, insignificant or have an insidious effect. It can’t be avoided and it usually happens every time cells undergoes mitosis and meiosis. Further, most of these modifications in the copied cells are good. Lastly, the mutation process happens in the basic structure that shapes every cell and every creature so it just a natural phenomenon, mostly.

Called for cell.