Cell Component
polytene chromosome
pol·y·tene chro·mo·some
Subclass of:
Chromosomes, Insect; Chromosomes
Definitions related to polytene chromosomes:
  • 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.
    Gene Ontology Dictionary
    Gene Ontology Consortium, 2021
  • Extra large CHROMOSOMES, each consisting of many identical copies of a chromosome lying next to each other in parallel.
    NLM Medical Subject Headings
    U.S. National Library of Medicine, 2021
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