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ploidy

American  
[ploi-dee] / ˈplɔɪ di /

noun

Biology.
  1. 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

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See Examples For:

There is no such reduction in ploidy level during mitosis.

From Textbooks Jun. 9, 2022

The homologous chromosomes separate into different nuclei during meiosis I, causing a reduction of ploidy level in the first division.

From Textbooks Jun. 9, 2022

In mitosis, both the parent and the daughter nuclei are at the same ploidy level—diploid for most plants and animals.

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

As a result, it is impossible to split the assembled genome of into haploid sets: the apparent ploidy level of is scale-dependent, with a tetraploid structure at gene scale versus chromosome-scale haploidy.

From Nature Aug. 21, 2013

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