FB2025_05 , released December 11, 2025
FB2025_05 , released December 11, 2025
CV Term Report
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General Information
Term semi-fertile ID (Ontology) FBcv:0000375 (FlyBase CV)
Definition A phenotype that is a reduction in the ability to produce fertilized eggs as a result of mating, but only to > 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     106
Insertions (FBti)  STERILITY      20
Constructs (FBtp)  PHENOTYPIC_CLASS      18
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
 semi-fertile (all annotations which use CV term, excluding "NOT" statements)     106     20     18
     semi-fertile | cold sensitive       1       --       --
     semi-fertile | conditional       2       --       --
     semi-fertile | female       3      2       --
     semi-fertile | female | progressive       2       --       --
     semi-fertile | male       7      3      3
     semi-fertile | recessive       3       --       --
Spanning Tree (Parents/Children)
Only view relationship: 
phenotypic class
 |__fertile____
 |__phenotype__|
               semi-fertile  652 rec.
                |__female semi-fertile 300 rec.
                |__male semi-fertile 234 rec.
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