polyembryony


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Related to polyembryony: apomixis

pol·y·em·bry·o·ny

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

pol′y·em′bry·on′ic (-brē-ŏn′ĭk) adj.

polyembryony

(ˌpɒlɪˈɛmbrɪənɪ)
n
(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

pol•y•em•bry•o•ny

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

n.
the production of more than one embryo from one egg.
[1840–50; poly- + Greek émbryon embryo + -y3]
References in periodicals archive ?
opuntiarum is a gregarious parasitoid, its potential polyembryony is under investigation, together with the oviposition behavior of females.
He described clearly the phenomenon of polyembryony in seed plants (Brown, 1844).
Nine-banded armadillos exhibit obligate polyembryony, whereby they produce litters of genetically identical quadruplets by repeated twinning of a single fertilized egg.
10) A condition known as polyembryony where the embryos possess separate amniotic sacs but are enclosed within a common chorion, see W.
The development of the nine-banded armadillo from the primitive streak stage to birth: with especial reference to the question of specific polyembryony.
This array of pleiotropic effects at the level of the female gametophyte gives rise to polyembryony and elevated ploidy levels of the endosperm after fertilization, derived from fertilization by different pollen tubes, together with miniature endosperms, early abortion of seeds and the occurrence of androgenic and gynogenic haploids in a 2:1 ratio (Kermicle, 1969, 1971, 1994; Lin, 1984).