When does cell differentiation occur?

a) when cells do not express genes
b) when cells express all genes
c) when cells express the same genes
d) when cells express different genes

d. in sexual reproduction, offspring have more chromosomes than

either parent.

asexual reproduction results in offspring which are genetically the same as the parent organism (not counting a rare mutation). sexual reproduction produces a random mixture of the genetics derived from both parents

explanation:

b. read the phase at the intersection of any given temperature and pressure.