has_part happens_during inheres_in qualifier normal protein modification during vegetative growth normal histone modification during vegetative growth 2013-09-04T16:18:49Z A cellular process phenotype observed in the vegetative growth phase of the life cycle in which histone modification is normal. All histone modification may be assayed, or modification of specific sites on specific histones may be measured. normal histone modification during mitotic cell cycle FYPO:0002600 midori