FB2026_03 , released September 17, 2026

CV Term Report

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General Information

Term

aneuploid_chromosome

ID (Ontology)

SO:0000550 (Sequence Ontology)

Definition

A chromosome structural variation whereby either a chromosome exists in addition to the normal chromosome complement or is lacking.

Also Known As

"aneuploid chromosome"

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)	CLASS_OF_ABERRATION
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
aneuploid_chromosome (all annotations which use CV term, excluding "NOT" statements)

Spanning Tree (Parents/Children)

  chromosome_variation
   |__chromosome_structure_variation
       |__aneuploid_chromosome  260 rec.
           |__inversion_derived_aneuploid_chromosome

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
	"aneuploid chromosome" EXACT
Secondary IDs

External Crossreferences & Linkouts