FB2026_03 , released September 17, 2026

CV Term Report

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General Information

Term

heat sensitive amorphic allele - molecular evidence

ID (Ontology)

FBcv:0000743 (FlyBase CV)

Definition

An allele shown by molecular evidence to completely lack function at high temperatures (restrictive temperatures) but not at low temperatures (permissive temperatures).[ 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 amorphic allele - molecular evidence (all annotations which use CV term, excluding "NOT" statements)

Spanning Tree (Parents/Children)

amorphic allele - molecular evidence
 |__temperature conditional amorphic allele - molecular evidence__
temperature conditional amorphic allele                           |
 |__heat sensitive amorphic allele________________________________|
 |__temperature conditional amorphic allele - molecular evidence__|
heat sensitive loss of function allele                            |
 |__heat sensitive amorphic allele________________________________|
                                                                  heat sensitive amorphic allele - molecular evidence  2 rec.

Spanning Tree View Settings
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Relationships
Is a	heat sensitive amorphic allele temperature conditional amorphic allele - molecular evidence
Part of
Synonyms & Secondary IDs
Synonyms

Secondary IDs

External Crossreferences & Linkouts