apomixis


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Related to apomixis: agamospermy

ap·o·mix·is

 (ăp′ə-mĭk′sĭs)
n.
The development of an embryo without the occurrence of fertilization, especially in plants.

[apo- + Greek mixis, a mingling (from meignunai, mig-, to mingle; see meik- in Indo-European roots).]

apomixis

(ˌæpəˈmɪksɪs)
n, pl -mixes (-ˈmɪksiːz)
(Biology) (esp in plants) any of several types of asexual reproduction, such as parthenogenesis and apogamy, in which fertilization does not take place. Compare amphimixis
[C20: New Latin, from Greek apo- + mixis a mixing]

ap•o•mix•is

(ˌæp əˈmɪk sɪs)

n., pl. -mix•es (-ˈmɪk siz)
any of several types of asexual reproduction, as apogamy or parthenogenesis.
[1910–15]
ap`o•mic′tic (-ˈmɪk tɪk) adj.
ap`o•mic′ti•cal•ly, adv.

apomixis

any of several processes of asexual reproduction. Cf. parthenogenesis.
See also: Biology
ThesaurusAntonymsRelated WordsSynonymsLegend:
Noun1.apomixis - any of several kinds of reproduction without fertilization
apogamy - (botany) development of an embryo without fertilization; especially the development in some ferns of a sporophyte from the gametophyte without fertilization
agamogenesis, asexual reproduction - reproduction without the fusion of gametes
parthenocarpy - (botany) the development of a fruit without fertilization or seeds
parthenogenesis, parthenogeny - process in which an unfertilized egg develops into a new individual; common among insects and some other arthropods
References in periodicals archive ?
These three groups share a commonality among them regarding the close physical distance between the genotypes within a plot, unless it is assumed that they are clones that have originated from apomixis.
She was among the first to localize apomixis to a chromosomal region.
Strategies to explore the variability in individuals include carrying out artificial crosses, with induction to a hybridization, and manipulation of the sexuality and apomixis (Vails and Pefialoza, 2004).
The evaluation of genetic diversity using morphological markers alone has some limitations, particularly in species of a complex genre like citrus because of recurrent hybridization, bud mutations, polyploidy and apomixis.
En la citricultura, los patrones se propagan por semillas por presentar apomixis, lo que permite la multiplicacion de embriones nucelares, que mantienen las caracteristicas de la planta madre (TALLON et al.
2013), se encuentra frecuentemente asociada al proceso de apomixis, debido a la esterilidad producida por la herencia polisomica y los apareamientos cromosomicos irregulares (Haufler 1985, Rabe & Haufler 1992, Tindale & Roy 2002, Windham & Yatskievych 2003).
Apomixis is a genetically determined type of asexual reproduction in angiosperms that results in the production of viable seed from maternal tissues in the absence of meiosis and fertilization.
1955) senalaron a Cenchrus ciliaris como un complejo agamico, con la presencia de apomixis ampliamente extendida.
Alternative approaches to a given breeding problem, such as transgenics, cisgenics, apomixis, gene editing, and genomic and marker-assisted selection, could each create different patterns of benefits and risks (social, political, economic, and cultural, as well as biophysical and ecological), depending on how and where they might be applied.
Finalmente existe la posibilidad que las semillas (o una parte de ellas) se hayan formado por apomixis, un evento comun en varias especies de la familia Asteracea que sin embargo no ha sido reportado en ninguna de las especies del genero Smallanthus (Noyes, 2007).