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Related to Polytene chromosome: lampbrush chromosome


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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References in periodicals archive ?
By examination of the polytene chromosome banding pattern of the larvae, it was determined that these midges are Chironomus columbiensis Wulker, Sublette, Morath, and Martin.
Immunological method for mapping genes on Drosophila polytene chromosomes.
For example, both chapters on ISH to polytene chromosomes are nearly the same as in the first edition, down to the illustrations and references, and both cover similar material.