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Relating to or having large chromosomes formed by repeated DNA replication and consisting of many chromatids side by side.

[poly- + Latin taenia, band (from Greek tainiā, ribbon; see ten- in Indo-European roots).]

pol′y·te′nic adj.
pol′y·te′ny n.


(Genetics) denoting a type of giant-size chromosome consisting of many replicated genes in parallel, found esp in Drosophila larvae
[C20: from poly- + Greek taenia band]
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EPA-Pak Director, Ziaul Islam prescribes Oxo-Biodegradable technology as the viable substitute to the widespread use of polytene bags for carrying light- weight shopping.
Identifications were based on diagnostic species-specific rearrangements of the polytene chromosomes (31,32).
Tenders are invited for Polytene Bag To Pack Emd Filters Of Size 1000Mm X 460Mm Thickness 60 Microns To Is: 9738/1981.
Immunological method for mapping genes on Drosophila polytene chromosomes.