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polytene

Syllabification: (pol·y·tene)
Pronunciation: /ˈpäləˌtēn/
Definition of polytene

adjective

Genetics
  • relating to or denoting a giant chromosome that is composed of many parallel copies of the genetic material, as found in Drosophila fruit flies, where they are much used in genetic research.

Origin:

1930s: from poly- 'many' + -tene (from Greek tainia 'band, ribbon') denoting stages of the first meiotic division

polytene in other Oxford dictionaries

Definition of polytene in the British & World English dictionary