amphidiploid(redirected from amphidiploidy)
Also found in: Dictionary, Thesaurus, Medical.
Related to amphidiploidy: allopolyploid
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.