has_part happens_during inheres_in qualifier normal cellular process normal heterochromatin assembly 2014-02-13T16:01:35Z normal heterochromatin assembly during mitotic cell cycle A cellular process phenotype observed in the vegetative growth phase of the life cycle in which heterochromatin assembly is normal (i.e. indistinguishable from wild type). Heterochromatin assembly is the assembly of chromatin into a compact and highly condensed form that is often, but not always, transcriptionally silent. midori normal heterochromatin formation normal heterochromatin assembly during vegetative growth FYPO:0003099