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Related to polyembryony: apomixis


 (pŏl′ē-ĕm′brē-ə-nē, -ĕm-brī′-)
Development of more than one embryo from a single egg or ovule.

pol′y·em′bry·on′ic (-brē-ŏn′ĭk) adj.


(Biology) the production of more than one embryo from a single fertilized egg cell: occurs in certain plants and parasitic hymenopterous insects
polyembryonic, polyembryonate adj


(ˌpɒl iˈɛm bri ə ni, -ˌoʊ ni, -ɛmˈbraɪ ə ni)

the production of more than one embryo from one egg.
[1840–50; poly- + Greek émbryon embryo + -y3]
References in periodicals archive ?
Although the occurrence of polyembryony in Aspidosperma polyneuron has not been completely investigated yet (SOUZA; MOSCHETTA, 1992), it is possible that the additional embryos could be identical to the mother plant; thus, the mass multiplication of an elite tree could be feasible using mature seeds.
Citrus germplasm characterization and improvement was carried out but with a little success and the factors may include characters associated with reproductive biology of the species like prolonged juvenile period, great interspecific fertility, apomictic reproduction and polyembryony (Corazza-Nunes et al.
Patterns of polyembryony and frequency of surviving multiple embryos of the Brazilian pine Araucaria angustifolia.
2010) conclude by the anatomical studies of the embryonic axis that the vascular bundles come from a single embryo, occurring the branching of the Epicotyl in the collar, originating multiple stems in the avocado seed, characterizing as multi-stem and not polyembryony.
Various types of polyembryony have been described in arthropods, bryozoans, chordates, cnidarians, echinoderms, and platyhelminthes.
opuntiarum is a gregarious parasitoid, its potential polyembryony is under investigation, together with the oviposition behavior of females.
Other chapters look at pollination, nectar, reproductive hormones, self-sterility, and polyembryony.
He described clearly the phenomenon of polyembryony in seed plants (Brown, 1844).
All germinated seeds were checked for the presence of more than one embryo per seed, known as polyembryony and common in Bombacoideae (Mendes-Rodrigues et al.
Characterisation of maize germoplasm that combines a high oil content and polyembryony
Even though more than one egg may be fertilized and more than one embryo may start to develop, a process known as polyembryony, all but one generally aborts, and a single embryo develops to maturity within each seed.