has_part happens_during inheres_in qualifier abnormal cellular process during vegetative growth abnormal interphase mitotic telomere clustering during vegetative growth abnormal mitotic interphase telomere clustering abnormal telomere clustering during vegetative growth abnormal interphase telomere clustering A cellular process phenotype observed in the vegetative growth phase of the life cycle in which telomere clustering is abnormal. Telomere clustering gathers telomeres during or prior to tethering to the nuclear periphery during interphase of the mitotic cell cycle.