FB2026_03 , released September 17, 2026

CV Term Report

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General Information

Term

heat sensitive neomorphic allele - genetic evidence

ID (Ontology)

FBcv:0000774 (FlyBase CV)

Definition

An allele that, is inferred to make a gene product with a novel function or expression pattern compared to wild-type at some high temperatures (non-permissive temperatures) but not lower temperatures (permissive temperatures), based on the evidence that the phenotype at the non-permissive temperature is unaffected by extra or fewer doses of the wild-type gene.[ FlyBase:FBrf0002371 FlyBase:FBrf0049147 ]

Comment

Links to External Ontologies

Annotations

Records annotated with this term OR any of its CHILD TERMS

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Direct annotations: records annotated with this exact term (child terms are NOT included)

Data Class	Field	Direct annotations
Alleles (FBal)	ALLELE_CLASS
Alleles (FBal)	PROMOTED_CLASS

Full annotation statements including this term (annotations to child terms are NOT included), and relevant FlyBase records

Full annotation statements	Relevant FlyBase reports
Full annotation statements	Alleles
heat sensitive neomorphic allele - genetic evidence (all annotations which use CV term, excluding "NOT" statements)

Spanning Tree (Parents/Children)

neomorphic allele - genetic evidence
 |__temperature conditional neomorphic allele - genetic evidence__
heat sensitive gain of function allele                            |
 |__heat sensitive neomorphic allele______________________________|
temperature conditional neomorphic allele                         |
 |__heat sensitive neomorphic allele______________________________|
 |__temperature conditional neomorphic allele - genetic evidence__|
                                                                  heat sensitive neomorphic allele - genetic evidence  4 rec.

Spanning Tree View Settings
Parents/Children View Depth	Show hierarchy levels: for parents, for children
Relationships
Is a	heat sensitive neomorphic allele temperature conditional neomorphic allele - genetic evidence
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Synonyms & Secondary IDs
Synonyms

Secondary IDs

External Crossreferences & Linkouts