FB2025_05 , released December 11, 2025
FB2025_05 , released December 11, 2025
CV Term Report
Help Close All Open All
General Information
Term photoperiod response variant ID (Ontology) FBcv:0000422 (FlyBase CV)
Definition Phenotype that is any abnormality in entrainment of circadian clock by photoperiod (GO:0043153), which is defined as: 'The synchronization of a circadian rhythm to photoperiod, the intermittent cycle of light (day) and dark (night).'
Comment
Links to External Ontologies
Annotations
Records annotated with this term OR any of its CHILD TERMS
    Results list data from multiple species. Click on a button above and use the 'Filter by species' options on the resulting HitList to retrieve species-specific data.
Records annotated with this exact term (annotations to child terms are NOT included)
Data Class Field Records
Alleles (FBal)  PHENOTYPIC_CLASS      18
Constructs (FBtp)  PHENOTYPIC_CLASS       6
show Full annotation statements including this term (annotations to child terms are NOT included), and relevant FlyBase records
 Full annotation statements 
Relevant FlyBase reports
 Alleles Constructs
 photoperiod response variant (all annotations which use CV term, excluding "NOT" statements)      18      6
     photoperiod response variant | adult stage       7      4
     photoperiod response variant | recessive       1       --
Spanning Tree (Parents/Children)
Only view relationship:
  phenotype
   |__abnormal behavior
       |__photoperiod response variant  24 rec.
Spanning Tree View Settings
Parents/Children
View Depth
Show hierarchy levels: for parents, for children
hide Relationships
Is a abnormal behavior
Part of
hide Synonyms & Secondary IDs
Synonyms
Secondary IDs
hide External Crossreferences & Linkouts