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 embryonic stage ID (Ontology) FBcv:0002033 (FlyBase CV)
Definition A phenotype of a population that is the death of all animals in that population during the embryonic stage.
Also Known As "embryonic lethal"
Comment
Links to External Ontologies
Annotations
Records annotated with this term OR any of its CHILD TERMS
Records annotated with this exact term (annotations to child terms are NOT included)
Data Class Field Records
Alleles (FBal)  PHENOTYPIC_CLASS    4625
Insertions (FBti)  LETHALITY     609
Constructs (FBtp)  PHENOTYPIC_CLASS     748
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 Insertions Constructs
 lethal - all die during embryonic stage (all annotations which use CV term, excluding "NOT" statements)    4625    609    748
     lethal - all die during embryonic stage | abnormal dorsal/ventral axis specification | maternal effect | recessive       1       --       --
     lethal - all die during embryonic stage | dominant      13      1      1
     lethal - all die during embryonic stage | dominant | heat sensitive       2       --       1
     lethal - all die during embryonic stage | dominant | maternal effect      21       --       9
     lethal - all die during embryonic stage | dominant | maternal effect | cold sensitive       1       --       --
     lethal - all die during embryonic stage | dominant | maternal effect | partially       5       --       --
     lethal - all die during embryonic stage | female       3       --       --
     lethal - all die during embryonic stage | female limited       2       --       2
     lethal - all die during embryonic stage | female | maternal effect | recessive       2       --       --
     lethal - all die during embryonic stage | female | recessive       2       --       --
     lethal - all die during embryonic stage | germline clone      17      6       --
     lethal - all die during embryonic stage | germline clone | male limited | maternal effect       1       --       --
     lethal - all die during embryonic stage | germline clone | maternal effect      10      4       --
     lethal - all die during embryonic stage | germline clone | maternal effect | neurogenic phenotype | recessive       2       --       --
     lethal - all die during embryonic stage | germline clone | maternal effect | recessive      53      1       --
     lethal - all die during embryonic stage | germline clone | neurogenic phenotype | non-rescuable maternal effect | recessive       1       --       --
     lethal - all die during embryonic stage | germline clone | non-rescuable maternal effect       3       --       --
     lethal - all die during embryonic stage | germline clone | non-rescuable maternal effect | recessive     131      2       --
     lethal - all die during embryonic stage | germline clone | recessive       5      2       --
     lethal - all die during embryonic stage | germline clone | recessive | rescuable maternal effect      14       --       --
     lethal - all die during embryonic stage | germline clone | rescuable maternal effect       3       --       --
     lethal - all die during embryonic stage | heat sensitive      72       --      42
     lethal - all die during embryonic stage | homeotic | maternal effect       1       --       --
     lethal - all die during embryonic stage | homeotic | recessive       3       --       --
     lethal - all die during embryonic stage | male       1       --       --
     lethal - all die during embryonic stage | male limited | recessive       1       --       --
     lethal - all die during embryonic stage | maternal effect     324     41     75
     lethal - all die during embryonic stage | maternal effect | cold sensitive       3       --       2
     lethal - all die during embryonic stage | maternal effect | heat sensitive       8       --       3
     lethal - all die during embryonic stage | maternal effect | partially      13      7       --
     lethal - all die during embryonic stage | maternal effect | partially | heat sensitive       2       --       --
     lethal - all die during embryonic stage | maternal effect | partially | recessive       3       --       --
     lethal - all die during embryonic stage | maternal effect | recessive     296     23       --
     lethal - all die during embryonic stage | maternal effect | recessive | cold sensitive       4       --       --
     lethal - all die during embryonic stage | maternal effect | recessive | heat sensitive       7       --       --
     lethal - all die during embryonic stage | maternal effect | semidominant       3       --       --
     lethal - all die during embryonic stage | neurogenic phenotype      13       --       --
     lethal - all die during embryonic stage | neurogenic phenotype | recessive      94      6       --
     lethal - all die during embryonic stage | neurogenic phenotype | recessive | heat sensitive       1       --       --
     lethal - all die during embryonic stage | non-rescuable maternal effect      27      4      1
     lethal - all die during embryonic stage | non-rescuable maternal effect | heat sensitive       1       --       --
     lethal - all die during embryonic stage | non-rescuable maternal effect | recessive      49      6       --
     lethal - all die during embryonic stage | non-rescuable maternal effect | recessive | heat sensitive       3       --       --
     lethal - all die during embryonic stage | parental effect      11      1      7
     lethal - all die during embryonic stage | partially      16      4      6
     lethal - all die during embryonic stage | partially | heat sensitive       1       --       1
     lethal - all die during embryonic stage | partially | recessive       6      1       --
     lethal - all die during embryonic stage | partially | recessive | rescuable maternal effect       3       --       --
     lethal - all die during embryonic stage | paternal effect      14      1     11
     lethal - all die during embryonic stage | paternal effect | heat sensitive       2       --       2
     lethal - all die during embryonic stage | recessive    1860    337     25
     lethal - all die during embryonic stage | recessive | heat sensitive      14       --       --
     lethal - all die during embryonic stage | recessive | rescuable maternal effect      38       --       --
     lethal - all die during embryonic stage | recessive | rescuable maternal effect | cold sensitive       1       --       --
     lethal - all die during embryonic stage | recessive | rescuable maternal effect | heat sensitive       3       --       --
     lethal - all die during embryonic stage | rescuable maternal effect      18      4       --
     lethal - all die during embryonic stage | rescuable maternal effect | heat sensitive       3       --       --
     lethal - all die during embryonic stage | semidominant       1       --       --
     lethal - all die during embryonic stage | semidominant | heat sensitive       1       --       --
Spanning Tree (Parents/Children)
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lethal - all die before end of second instar larval stage
 |__lethal - all die before end of first instar larval stage__
some die during embryonic stage                               |
 |__majority die during embryonic stage_______________________|
                                                              lethal - all die during embryonic stage  5982 rec.
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Is a lethal - all die before end of first instar larval stage
majority die during embryonic stage
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Synonyms
  • "embryonic lethal" EXACT
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