FB2026_03 , released September 17, 2026

CV Term Report

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General Information

Term

free_chromosome_arm

ID (Ontology)

SO:0000065 (Sequence Ontology)

Definition

A chromosome structure variation whereby an arm exists as an individual chromosome element.

Also Known As

"free chromosome arm"

Comment

Links to External Ontologies

SO.org

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
Aberrations (FBab)	FEATURE_TYPE

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	Aberrations
free_chromosome_arm (all annotations which use CV term, excluding "NOT" statements)

Spanning Tree (Parents/Children)

  chromosome_variation
   |__chromosome_structure_variation
       |__free_chromosome_arm  35 rec.

Spanning Tree View Settings
Parents/Children View Depth	Show hierarchy levels: for parents, for children
Relationships
Is a	chromosome_structure_variation
Part of
Synonyms & Secondary IDs
Synonyms
	"free chromosome arm" EXACT
Secondary IDs

External Crossreferences & Linkouts