FB2026_03 , released September 17, 2026
CV Term Report
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General Information
Term partially lethal - majority die ID (Ontology) FBcv:0000352 (FlyBase CV)
Definition A phenotype of a population that is the death of a majority of animals in that population prior to becoming a mature adult, where mature is defined as after adult stage A3 (FBdv:00006012).
Also Known As"semi-lethal"
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Direct annotations: records annotated with this exact term (child terms are NOT included)
Data ClassFieldDirect annotations
Alleles (FBal)PHENOTYPIC_CLASS
Insertions (FBti)LETHALITY
Constructs (FBtp)PHENOTYPIC_CLASS
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 Full annotation statements 
Relevant FlyBase reports
 Alleles Insertions Constructs
 partially lethal - majority die (all annotations which use CV term, excluding "NOT" statements)
     partially lethal - majority die | abnormal dorsal/ventral axis specification
      --       --
     partially lethal - majority die | adult stage
     partially lethal - majority die | adult stage | heat sensitive
      --
     partially lethal - majority die | cell autonomous | somatic clone
      --       --
     partially lethal - majority die | chemical conditional
      --
     partially lethal - majority die | cold sensitive
      --
     partially lethal - majority die | conditional
      --
     partially lethal - majority die | conditional | female limited
      --       --
     partially lethal - majority die | day 0 of adulthood
      --
     partially lethal - majority die | dominant
     partially lethal - majority die | dominant | embryonic stage | heat sensitive
      --       --
     partially lethal - majority die | dominant | female
      --       --
     partially lethal - majority die | dominant | heat sensitive
      --       --
     partially lethal - majority die | dominant | male
      --       --
     partially lethal - majority die | dominant | male limited
      --       --
     partially lethal - majority die | dominant | maternal effect | heat sensitive
      --       --
     partially lethal - majority die | drug conditional
      --
     partially lethal - majority die | early third instar larval stage
      --
     partially lethal - majority die | embryonic stage
     partially lethal - majority die | embryonic stage | germline clone | maternal effect
      --
     partially lethal - majority die | embryonic stage | maternal effect
      --
     partially lethal - majority die | embryonic stage | recessive
      --       --
     partially lethal - majority die | female
     partially lethal - majority die | female limited
     partially lethal - majority die | female limited | germline clone
      --       --
     partially lethal - majority die | female limited | heat sensitive
      --
     partially lethal - majority die | female limited | pharate adult stage
      --
     partially lethal - majority die | female limited | pupal stage
      --
     partially lethal - majority die | female | germline clone | pharate adult stage
      --       --
     partially lethal - majority die | female | germline clone | pupal stage
      --       --
     partially lethal - majority die | female | heat sensitive
      --
     partially lethal - majority die | female | recessive
      --       --
     partially lethal - majority die | female | recessive | heat sensitive
      --       --
     partially lethal - majority die | first instar larval stage
     partially lethal - majority die | first instar larval stage | recessive
      --
     partially lethal - majority die | germline clone
      --
     partially lethal - majority die | heat sensitive
      --
     partially lethal - majority die | larval stage
     partially lethal - majority die | larval stage | heat sensitive
      --
     partially lethal - majority die | larval stage | recessive
      --       --
     partially lethal - majority die | late embryonic stage
      --
     partially lethal - majority die | late embryonic stage | recessive
      --       --
     partially lethal - majority die | late third instar larval stage | recessive
      --
     partially lethal - majority die | male
     partially lethal - majority die | male limited
     partially lethal - majority die | male limited | pupal stage
      --       --
     partially lethal - majority die | male limited | recessive
      --
     partially lethal - majority die | male | recessive
      --
     partially lethal - majority die | mated male limited
      --
     partially lethal - majority die | maternal effect
     partially lethal - majority die | maternal effect | recessive
      --
     partially lethal - majority die | maternal effect | recessive | conditional
      --       --
     partially lethal - majority die | nutrition conditional
      --
     partially lethal - majority die | P-stage | recessive
      --
     partially lethal - majority die | parental effect
      --
     partially lethal - majority die | partially | recessive       --
      --
     partially lethal - majority die | partially | recessive | heat sensitive
      --       --
     partially lethal - majority die | paternal effect
      --
     partially lethal - majority die | paternal effect | recessive
      --
     partially lethal - majority die | pharate adult stage
     partially lethal - majority die | pharate adult stage P15(ii)
      --
     partially lethal - majority die | pharate adult stage | recessive
      --
     partially lethal - majority die | pharate adult stage | temperature conditional
      --       --
     partially lethal - majority die | prepupal stage
     partially lethal - majority die | prepupal stage | heat sensitive
      --
     partially lethal - majority die | pupal stage
     partially lethal - majority die | pupal stage | cold sensitive
      --       --
     partially lethal - majority die | pupal stage | heat sensitive
      --
     partially lethal - majority die | pupal stage | recessive
      --       --
     partially lethal - majority die | pupal stage | somatic clone
      --       --
     partially lethal - majority die | pupal stage | temperature conditional
      --       --
     partially lethal - majority die | recessive
      --
     partially lethal - majority die | recessive | cold sensitive
      --       --
     partially lethal - majority die | recessive | heat sensitive
      --       --
     partially lethal - majority die | recessive | somatic clone
      --
     partially lethal - majority die | recessive | third instar larval stage
      --       --
     partially lethal - majority die | rescuable maternal effect
      --       --
     partially lethal - majority die | RU486 conditional
      --
     partially lethal - majority die | second instar larval stage
     partially lethal - majority die | somatic clone
      --       --
     partially lethal - majority die | somatic clone - Minute background
      --
     partially lethal - majority die | somatic clone | wandering third instar larval stage
      --       --
     partially lethal - majority die | temperature conditional
      --
     partially lethal - majority die | third instar larval stage
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  increased mortality during development
   |__partially lethal
       |__partially lethal - majority die  7607 rec.
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