Which statement is correct? Question 1 options:

The cells that make up lungs and the cells that make up kidneys have different genes, causing lungs and kidneys to look different.

All cells of an organism have the same genes, but different genes are activated within different cells.

When cells and tissues differentiate, they delete the genes they do not need.

All cells have the same genes, and all of a cell's genes are active at the same time.