ploidy

ploidy

[ploi-dee]
noun Biology.
the number of homologous chromosome sets present in a cell or organism.

Origin:
1935–40; see -ploid, -y3

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Medical Dictionary

ploidy ploi·dy (ploi'dē)
n.
A multiple of the basic number of chromosomes in a cell.

The American Heritage® Stedman's Medical Dictionary
Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
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