Which of the following is true about the cells in a multicellular organism?
the cells contain different genes and therefore express different genes.
the cells contain different genes, so they express only the genes they have in common.
the cells contain the same genes but do not express the same genes.
the cells contain the same genes and express the same genes

if a scientist changes the path of differentiation in some cells by adding a growth factor, what process is involved?
fertilization
induction
cytoplasmic localization
apoptosis