FB2025_05 , released December 11, 2025
FB2025_05 , released December 11, 2025
CV Term Report
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General Information
Term lethal - all die during first instar larval stage ID (Ontology) FBcv:0002006 (FlyBase CV)
Definition A phenotype of a population that is the death of all animals in that population during the first instar larval stage.
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Data Class Field Records
Alleles (FBal)  PHENOTYPIC_CLASS      58
Insertions (FBti)  LETHALITY      10
Constructs (FBtp)  PHENOTYPIC_CLASS      13
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Relevant FlyBase reports
 Alleles Insertions Constructs
 lethal - all die during first instar larval stage (all annotations which use CV term, excluding "NOT" statements)      58     10     13
     lethal - all die during first instar larval stage | recessive       6      1       --
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lethal - all die before end of larval stage
 |__lethal - all die during larval stage______________________
lethal - all die before end of second instar larval stage     |
 |__lethal - all die before end of first instar larval stage__|
majority die during larval stage                              |
 |__lethal - all die during larval stage______________________|
 |__majority die during first instar larval stage_____________|
some die during first instar larval stage                     |
 |__majority die during first instar larval stage_____________|
                                                              lethal - all die during first instar larval stage  81 rec.
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Is a lethal - all die before end of first instar larval stage
lethal - all die during larval stage
majority die during first instar larval stage
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