androgenesis


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Related to androgenesis: angiogenesis, gynogenesis

androgenesis

 [an″dro-jen´ĕ-sis]
a phenomenon in which an ovum is fertilized by a haploid sperm, which then duplicates its own chromosomes after meiosis; the chromosomes of the ovum are either absent or inactivated. This is often associated with complete molar pregnancies.
Miller-Keane Encyclopedia and Dictionary of Medicine, Nursing, and Allied Health, Seventh Edition. © 2003 by Saunders, an imprint of Elsevier, Inc. All rights reserved.

an·dro·gen·e·sis

(an'drō-jen'ĕ-sis),
Development in the presence of paternal chromosomes only.
[andro- + G. genesis, production]
Farlex Partner Medical Dictionary © Farlex 2012

androgenesis

(ăn′drō-jĕn′ĭ-sĭs)
n.
The development of an embryo that contains chromosomes from only the male parent.

an·dro·ge·net·ic (ăn′drō-jə-nĕt′ĭk) adj.
The American Heritage® Medical Dictionary Copyright © 2007, 2004 by Houghton Mifflin Company. Published by Houghton Mifflin Company. All rights reserved.

an·dro·gen·e·sis

(an'drō-jen'ĕ-sis)
Development in the presence of paternal chromosomes only.
[andro- + G. genesis, production]
Medical Dictionary for the Health Professions and Nursing © Farlex 2012

androgenesis

the development of male secondary sexual characteristics.
Collins Dictionary of Biology, 3rd ed. © W. G. Hale, V. A. Saunders, J. P. Margham 2005
References in periodicals archive ?
& Chambonnet, D., Obtaining haploid plants by in vitro androgenesis in red pepper (Capsicum annuum L.).
Since genotype and explant age play a critical role in androgenesis (Murovec and Bohanec 2012) high yielding native BG cultivar Faisalabad long (FL) was selected to establish androgenesis system for future crop improvement applications.
Jelaska, "Stimulation of androgenesis in white cabbage (Brassica oleracea var.
In the Proceedings of the 1st International Conference on "Haploids in Higher Plants," in 1974, the basis for a broad, inclusive use of the term "androgenesis" were established (de Fossard, 1974b).
Androgenesis from Festuca pratensis x Lolium multiflorum amphidiploid cultivars in order to select and stabilize rare gene combinations for grass breeding.
Androgenesis could produce paternal ancestor individuals with heterospecific mitochondrial DNA, whereas genome incorporation could disrupt the strictly clonal "meiotic" mechanism of the diploid parthenogen; androgenetic and triploid progeny would thereby provide opportunities for the genetic diversification and evolution of the unisexual hybrid Bacillus.
These homozygous doubled haploids have been induced via either androgenesis (pollen or anther culture) or gynogenesis (ovule or ovary culture) processes, or induced by pollination with irradiated pollen (Islam, 2010; Chen et al., 2011; Lazaridou et al., 2011; Galazka and Niemirowicz-Szczytt, 2013).
flava have a slow and difficult reproduction cycle under natural conditions, which can be overcome via in vitro androgenesis.
Zhong, et al., [9] reported formation of doubled hapioid sunflower plants by androgenesis using in vitro anther culture which later turned out to be derived from diploid callus of anther wall / connective tissue rather than from anthers.