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Showing results for ploidy. Search instead for ploidies.

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

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:

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

Most organisms have a ploidy level of 2, meaning that they have two sets of chromosomes due to presence of homologous pairs.

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

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

From Textbooks ● Apr. 25, 2013

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