has_part happens_during occurs_at inheres in part of qualifier abnormal histone methylation during vegetative growth abnormal histone methylation at centromere during vegetative growth abnormal histone methylation at centromere during mitotic cell cycle 2020-05-12T13:42:20Z A cellular process phenotype observed in the vegetative growth phase of the life cycle in which the methylation of histones in centromeric regions is abnormal. All histone methylation may be affected, or methylation of specific sites on specific histones may be altered. abnormal centromeric histone methylation during vegetative growth midori FYPO:0007374