Question

Which is not an example of cell differentiation?

a. a leaf cell divides as a plant leaf grows.
b. a fertilized egg develops limbs and a head.
c. stem cells from bone marrow develop into blood cells.
d. bone marrow cells are used to repair damage to heart tissue?

Answer 1

Answer: A

Differentiation refers to a cell silencing certain genes and specifically expressing certain genes to change it's function from a totipotent cell to a multipotent cell to a pluripotent cell down it's class.