amphidiploid


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Related to amphidiploid: 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.
References in periodicals archive ?
Production of amphidiploid plants of interspecific hybrid genotypes: Both stem axillary buds and shoot tips of in vitro grown plantlets of interspecific hybrid genotypes were cultured in 90x15mm Petri dishes on solidified MS medium supplemented with 0.03% colchicine and 0.225 mg L-1 BA, for 3 or 6 days.
Androgenesis from Festuca pratensis x Lolium multiflorum amphidiploid cultivars in order to select and stabilize rare gene combinations for grass breeding.
These genetic stocks were derived from amphidiploids of diploid hybrids between Th.
The two domesticated species of the genus Nicotiana are amphidiploids with 2n = 4x = 48.
Amphidiploid development from the interspecific hybridization of 2x Lotus species followed by colchicine-induced autotetraploidy has been successful (Somaroo and Grant, 1971; O'Donoughue and Grant, 1988), and resulting amphidiploids have been crossed with L.
Cytogenetic studies of Lolium multiflorum Lam., Festuca arundinacea Schreb., their hybrids and amphidiploids. 1982.
Sybenga's (1994) models for tetraploids apply only to amphidiploids and autoploids.
Relationships between amphidiploids Brassica species in relation to their diploid parents.
Development of synthetic Brassica amphidiploids by reciprocal hybridization and comparison to natural amphidiploids.
Spontaneous (wheat-rye) amphidiploids. (In Russian.) Vaskhnil 2: 21-23.