amphidiploid

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Related to amphidiploidy: allopolyploid

amphidiploid

[¦am·fə¦di‚plȯid]
(genetics)
A tetraploid organism or species produced when chromosome of a hybrid between two species double, yielding a diploid set of chromosomes from each parent. Also known as allotetraploid.
McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.