With the exception of gametes, all new somatic cells in all multicellular organisms are formed through the process of mitosis. what must occur with the dna in the original cells in order for mitosis to make new cells? a) the dna coils up and becomes invisible b) the dna forces the production of water c) the dna will mutate itself, based on the type of organism it is d) the dna must replicate itself in order to make two exact copies