FB2025_05 , released December 11, 2025
FB2025_05 , released December 11, 2025
CV Term Report
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General Information
Term flightless ID (Ontology) FBcv:0000418 (FlyBase CV)
Definition Phenotype that is the absence of flight (GO:0060361). 'flight' is defined as: 'Self-propelled movement of an organism from one location to another through the air, usually by means of active wing movement.'
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Records annotated with this exact term (annotations to child terms are NOT included)
Data Class Field Records
Alleles (FBal)  PHENOTYPIC_CLASS     954
Constructs (FBtp)  PHENOTYPIC_CLASS     604
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Relevant FlyBase reports
 Alleles Constructs
 flightless (all annotations which use CV term, excluding "NOT" statements)     954    604
     flightless | adult stage       4       --
     flightless | adult stage | progressive       4      1
     flightless | chemical conditional       1       --
     flightless | cold sensitive       1       --
     flightless | dominant      70      2
     flightless | dominant | cold sensitive       2       --
     flightless | female limited       2      2
     flightless | heat sensitive      27      7
     flightless | male       1       --
     flightless | partially       7      2
     flightless | progressive      28     22
     flightless | progressive | conditional       2      2
     flightless | recessive      84       --
     flightless | recessive | heat sensitive       4       --
     flightless | semidominant      11       --
     flightless | semidominant | heat sensitive       1       --
     flightless | temperature conditional       3      3
Spanning Tree (Parents/Children)
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  phenotype
   |__abnormal flight
       |__flightless  1558 rec.
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