polytene

== English == === Etymology === From poly- +‎ -tene. === Adjective === polytene (comparative more polytene, superlative most polytene) (molecular biology) Having very large chromosomes with many chromatids (arms). === Noun === polytene (plural polytenes) (molecular biology) A very large chromosome with many chromatids (arms); a chromosome exhibiting polyteny ==== Derived terms ==== === Related terms === polytenic polyteny