FB2026_01 , released March 12, 2026
FB2026_01 , released March 12, 2026
CV Term Report
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General Information
Term female semi-sterile ID (Ontology) FBcv:0000367 (FlyBase CV)
Definition A phenotype that is a reduction in the ability of females to produce fertilized eggs as a result of mating to below 50% of wild-type.
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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     866
Insertions (FBti)  STERILITY      99
Constructs (FBtp)  PHENOTYPIC_CLASS     543
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 Full annotation statements 
Relevant FlyBase reports
 Alleles Insertions Constructs
 female semi-sterile (all annotations which use CV term, excluding "NOT" statements)     866     99    543
     female semi-sterile | conditional       6       --       6
     female semi-sterile | dominant       7       --       1
     female semi-sterile | dominant | heat sensitive       1       --       --
     female semi-sterile | female       3       --       3
     female semi-sterile | germline clone       7      5       --
     female semi-sterile | heat sensitive       5       --       2
     female semi-sterile | maternal effect       6      1       --
     female semi-sterile | progressive       4      2      1
     female semi-sterile | progressive | RU486 conditional       2       --       2
     female semi-sterile | recessive      73     22       --
     female semi-sterile | recessive | heat sensitive       2       --       --
Spanning Tree (Parents/Children)
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  phenotype
   |__semi-sterile
       |__female semi-sterile  1508 rec.
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