FB2026_03 , released September 17, 2026
FB2026_03 , released September 17, 2026
CV Term Report
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General Information
Term polytene chromosome ID (Ontology) GO:0005700 (Gene Ontology)
Definition A type of chromosome in a polyploid cell, formed when multiple copies of homologous chromosomes are aligned side by side to give a giant chromosome in which distinct chromosome bands are readily visible.[ ISBN:0198506732 ]
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Direct annotations: records annotated with this exact term (child terms are NOT included)
Data ClassFieldDirect annotations
Alleles (FBal)PHENOTYPE_MANIFEST_IN
Genes (FBgn)GO_CELLULAR_COMPONENT
Constructs (FBtp)PHENOTYPE_MANIFEST_IN
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Relevant FlyBase reports
 Alleles Genes Constructs
 polytene chromosome (all annotations which use CV term, excluding "NOT" statements)
     colocalizes_with | polytene chromosome       --
      --
     is_active_in | polytene chromosome       --
      --
     located_in | polytene chromosome       --
      --
     polytene chromosome | germline clone
      --       --
     polytene chromosome | heat sensitive
      --
     polytene chromosome | larval stage
      --
     polytene chromosome | larval stage | male
      --
     polytene chromosome | larval stage | male limited | temperature conditional
      --
     polytene chromosome | male
      --
     polytene chromosome | male limited
      --       --
     polytene chromosome | third instar larval stage
      --
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  intracellular membraneless organelle
   |__chromosome
       |__polytene chromosome  375 rec.
           |__polytene chromosome band 38 rec.
           |__polytene chromosome chromocenter 29 rec.
           |   |__alpha-heterochromatin 2 rec.
           |   |__beta-heterochromatin 2 rec.
           |__polytene chromosome ectopic fiber
           |__polytene chromosome interband 44 rec.
           |__polytene chromosome puff 67 rec.
           |__polytene chromosome weak point 1 rec.
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Wikipedia:Polytene_chromosome