Which of these statements correctly explains the process of differentiation?

During the development of an organism, from a single fertilized egg into adult form, cells become specialized through a process called differentiation.

During differentiation, genes that are activated determine the type of cell it will become. I hope that's what you need

B. Differentiation converts a small ball of different type of cells into a multicellular, multifunctional, well-organized organism.

( for plato)

the answer here would be