FB2025_05 , released December 11, 2025
FB2025_05 , released December 11, 2025
CV Term Report
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General Information
Term sex chromosome ID (Ontology) GO:0000803 (Gene Ontology)
Definition A chromosome involved in sex determination.
Comment
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  QuickGO data     AmiGO data
Annotations
Records annotated with this term OR any of its CHILD TERMS
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Records annotated with this exact term (annotations to child terms are NOT included)
Data Class Field Records
Alleles (FBal)  PHENOTYPE_MANIFEST_IN       2
show Full annotation statements including this term (annotations to child terms are NOT included), and relevant FlyBase records
 Full annotation statements 
Relevant FlyBase reports
 Alleles
 sex chromosome (all annotations which use CV term, excluding "NOT" statements)       2
     sex chromosome | spermatogenesis       4
Spanning Tree (Parents/Children)
Only view relationship: 
  intracellular membraneless organelle
   |__chromosome
       |__sex chromosome  11 rec.
           |__active sex chromosome
           |__dosage compensation complex 8 rec.
           |   |__X chromosome located dosage compensation complex, transcription activating 8 rec.
           |__inactive sex chromosome
           |   |__condensed chromatin of inactivated sex chromosome
           |__sex chromatin
           |   |__condensed chromatin of inactivated sex chromosome
           |__W chromosome
           |__X chromosome 8 rec.
           |   |__Barr body
           |   |__X chromosome located dosage compensation complex, transcription activating 8 rec.
           |__XY body
           |__Y chromosome 1 rec.
           |__Z chromosome
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