FB2025_05 , released December 11, 2025
FB2025_05 , released December 11, 2025
CV Term Report
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General Information
Term abnormal cell cycle ID (Ontology) FBcv:0000671 (FlyBase CV)
Definition Phenotype that is any abnormality in cell cycle (GO:0007049). 'cell cycle' is defined as: 'The progression of biochemical and morphological phases and events that occur in a cell during successive cell replication or nuclear replication events. Canonically, the cell cycle comprises the replication and segregation of genetic material followed by the division of the cell, but in endocycles or syncytial cells nuclear replication or nuclear division may not be followed by cell division.'
Also Known As "cell cycle defective"
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Data Class Field Records
Alleles (FBal)  PHENOTYPIC_CLASS     166
Constructs (FBtp)  PHENOTYPIC_CLASS      86
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Relevant FlyBase reports
 Alleles Constructs
 abnormal cell cycle (all annotations which use CV term, excluding "NOT" statements)     166     86
     abnormal cell cycle | adult stage       5      4
     abnormal cell cycle | adult stage | male       7      7
     abnormal cell cycle | adult stage | mated male       3      3
     abnormal cell cycle | adult stage | progressive       1       --
     abnormal cell cycle | adult stage | virgin male       2      2
     abnormal cell cycle | embryonic cycle | maternal effect       3       --
     abnormal cell cycle | embryonic stage      12      5
     abnormal cell cycle | embryonic stage | conditional       2      2
     abnormal cell cycle | embryonic stage | maternal effect       2       --
     abnormal cell cycle | germline clone       3       --
     abnormal cell cycle | larval stage       5      3
     abnormal cell cycle | larval stage | recessive       1       --
     abnormal cell cycle | oogenesis      32     32
     abnormal cell cycle | oogenesis | conditional       4      4
     abnormal cell cycle | pupal stage       2      2
     abnormal cell cycle | recessive       1       --
     abnormal cell cycle | somatic clone       3       --
     abnormal cell cycle | somatic clone | third instar larval stage      26      3
     abnormal cell cycle | third instar larval stage       6      2
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  phenotypic class
   |__phenotype
       |__abnormal cell cycle  2533 rec.
           |__abnormal cytokinesis 248 rec.
           |__abnormal meiotic cell cycle 836 rec.
           |__abnormal mitotic cell cycle 1525 rec.
               |__abnormal endomitotic cell cycle 177 rec.
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