FB2026_03 , released September 17, 2026

CV Term Report

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General Information

Term

DNA endoreduplication

ID (Ontology)

GO:0042023 (Gene Ontology)

Definition

Regulated re-replication of DNA within a single cell cycle, resulting in an increased cell ploidy. An example of this process occurs in the synthesis of Drosophila salivary gland cell polytene chromosomes.

Also Known As

"DNA endoreplication" ; "DNA re-duplication"

Comment

Links to External Ontologies

QuickGO data AmiGO data

Annotations

Records annotated with this term OR any of its CHILD TERMS

Choose a record type to view annotations for this term and its child terms. Direct annotations and full annotation statements below also provide HitList buttons.

Results list data from multiple species. Choose a record type above to open its HitList.

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

Data Class	Field	Direct annotations
Genes (FBgn)	GO_BIOLOGICAL_PROCESS

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	Genes
DNA endoreduplication (all annotations which use CV term, excluding "NOT" statements)
involved_in \| DNA endoreduplication
NOT \| involved_in \| DNA endoreduplication

Spanning Tree (Parents/Children)

DNA-templated DNA replication__
cell cycle process_____________|
                               cell cycle DNA replication
                                |__DNA endoreduplication  22 rec.
                                    |__regulation of DNA endoreduplication 8 rec.
                                        |__negative regulation of DNA endoreduplication 2 rec.
                                        |__positive regulation of DNA endoreduplication 6 rec.

Spanning Tree View Settings
Parents/Children View Depth	Show hierarchy levels: for parents, for children
Relationships
Is a	cell cycle DNA replication
Part of
Synonyms & Secondary IDs
Synonyms
	"DNA endoreplication" EXACT "DNA re-duplication" EXACT
Secondary IDs

External Crossreferences & Linkouts