has part characteristic of has modifier abnormal mitotic cell cycle Phenotype that is any abnormality in mitotic cell cycle (GO:0000278). 'mitotic cell cycle' is defined as: 'Progression through the phases of the mitotic cell cycle, the most common eukaryotic cell cycle, which canonically comprises four successive phases called G1, S, G2, and M and includes replication of the genome and the subsequent segregation of chromosomes into daughter cells. In some variant cell cycles nuclear replication or nuclear division may not be followed by cell division, or G1 and G2 phases may be absent.' phenotypic_class mitotic mitotic cell cycle defective FBcv:0000432 abnormal cell cycle mitotic cell cycle abnormal process quality