epigenesis
process by which an organism develops through a sequence of steps in which cells differentiate and organs form
en-GB/ɛpɪd͡ʒɛnɪsɪs/
en-US/ˌɛpɪˈd͡ʒɛnɪsɪs/
process by which an organism develops through a sequence of steps in which cells differentiate and organs form