FB2025_05 , released December 11, 2025

CV Term Report

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General Information
Term	allele class	ID (Ontology)	FBcv:0000286 (FlyBase CV)
Definition	Term that describes the type of allele.
Also Known As	"allele morphy class"
Comment
Links to External Ontologies

Annotations
Records annotated with this term OR any of its CHILD TERMS
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Records annotated with this exact term (annotations to child terms are NOT included)
No relevant records available
Full annotation statements including this term (annotations to child terms are NOT included), and relevant FlyBase records
No relevant statements available

Spanning Tree (Parents/Children)

  descriptor
   |__allele descriptor
       |__allele class  10953 rec.
           |__gain of function allele 622 rec.
           |   |__antimorphic allele(+) 261 rec.
           |   |__hypermorphic allele(+) 84 rec.
           |   |__neomorphic allele(+) 62 rec.
           |   |__temperature conditional gain of function allele(+) 24 rec.
           |__loss of function allele 10290 rec.
           |   |__amorphic allele(+) 4287 rec.
           |   |__hypomorphic allele(+) 2950 rec.
           |   |__temperature conditional loss of function allele(+) 122 rec.
           |__wild-type allele 146 rec.
               |__isoallele 1 rec.
               |__wild-type generic

Spanning Tree View Settings
Parents/Children View Depth	Show hierarchy levels: for parents, for children
Relationships
Is a	allele descriptor
Part of
Synonyms & Secondary IDs
Synonyms
	"allele morphy class" EXACT
Secondary IDs

External Crossreferences & Linkouts