What Makes the Cells of a Developing Embryo Differentiate into Various

Question

What makes the cells of a developing embryo differentiate into various types of cells?
A) They have different genes.
B) Different genes are activated.
C) The DNA of their mitochondria is different.
D) Special genes in the cytoplasm cause this differentiation.
E) Once certain genes of a cell have caused it to differentiate, the other genes are lost.

Accepted Answer

Different genes are activated in the cells of a developing embryo, leading to differentiation into various cell types. All cells have the same genes, but specific genes are turned on or off depending on the cell's function and location.