ploidy

American

[ploi-dee] / ˈplɔɪ di /

noun

Biology.

the number of homologous chromosome sets present in a cell or organism.

Etymology

Origin of ploidy

First recorded in 1935–40; see origin at -ploid, -y ³

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

See Examples For:

ploidy

There is no such reduction in ploidy level during mitosis.

From Textbooks ● Jun. 9, 2022

It produces copy number calls as well as estimates for tumour ploidy and tumour cell content.

From Nature ● Jul. 18, 2017

For example, in the 1980s and 1990s ploidy in neuroblastoma48 and cytogenetic abnormalities in acute lymphoblastic leukaemia49 were used to determine the composition and strength of the cytotoxic chemotherapy required to treat these cancers.

From Nature ● Oct. 13, 2015

The homologous chromosomes separate into different nuclei during meiosis I causing a reduction of ploidy level.

From Textbooks ● Apr. 25, 2013

There is no such reduction in ploidy level in mitosis.

From Textbooks ● Apr. 25, 2013

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Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023