polyploidy

polyploidy

English

Etymology

From polyploid +‎ -y, after German Polyploidie.

Pronunciation

• (UK) IPA^(key): /ˈpɒlɪplɔɪdi/

Noun

polyploidy (countable and uncountable, plural polyploidies)

1. (uncountable, genetics) The condition of being polyploid or the process of becoming polyploid.
   • 2011, Terence Allen and Graham Cowling, The Cell: A Very Short Introduction, Oxford 2011, p. 90:

     As they mature, the DNA is replicated several times but the cell does not divide, a condition known as polyploidy which allows cells to increase in size.

   • 2014 June 28, “Double or quits”, in The Economist, volume 411, number 8893:

     This propensity to polyploidy helps account for the diversity (and thus success) of flowering plants, in particular. It is also known that flowering plants sailed majestically through the life-destroying asteroid impact at the end of the Cretaceous period, which did for the dinosaurs and many other animals.

2. (countable, genetics) An instance of being polyploid.

Derived terms

• endopolyploidy

Related terms

• ploidy

Translations

state or condition of being a polyploid

Finnish: polyploidia (fi) German: Polyploidie f Hungarian: poliploidia, kromoszómaszerelvény-sokszorozódás, kromoszómaszám sokszorozódás Italian: poliploidia (it) f Romanian: poliploidie (ro) f Spanish: poliploidía f