As unspecialized cells mature, what controls their development into specific cell types?

A.The rate at which the cells grow.
B.The genes expressed within the cells.
C.The nutrients available to the cells.
D.The age of neighboring cells.

1 answer

B. The genes expressed within the cells.

The differentiation of unspecialized (or stem) cells into specific cell types is primarily controlled by the genes that are expressed within those cells. Different combinations of gene expression lead to the development of specific cellular functions and characteristics.