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tetraploid

[ te-truh-ploid ]

adjective

, Biology.
  1. having a chromosome number that is four times the basic or haploid number.


noun

  1. a tetraploid cell or organism.

tetraploid

/ ˈtɛtrəˌplɔɪd /

adjective

  1. having four times the haploid number of chromosomes in the nucleus
“Collins English Dictionary — Complete & Unabridged” 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012


noun

  1. a tetraploid organism, nucleus, or cell
“Collins English Dictionary — Complete & Unabridged” 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
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Other Words From

  • tetra·ploidy noun
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Word History and Origins

Origin of tetraploid1

First recorded in 1925–30; tetra- + -ploid
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Example Sentences

We’re stuck in the past because of our reliance on complicated tetraploid lines and the decline of our agricultural research programs.

The reason this matters is that when you cross any two tetraploid potatoes, there is so much genetic variance in the offspring that unhelpful mutations can kind of hide.

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tetraplegiatetrapod