Cells are differentiated when . A. they devide
B. they grow in size
C. genes are turned on or off
D. they all perform the same function

C. Genes are turn on or off

Explanation:

Well it is the closest to when genes are mutated

wheres the answers ?

it's the cell cycle, but cytokines is when the cell divides.

theres 3 stages interphase,mitosis,and cytokines.

interphase prepares the cell for division.

mitosis is the process of dividing the cell,it has 4 parts interphase,anaphase,metaphase,and telophase.

lastly there's cytokines,that's when the cell divides into 2 daughter cells