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noun

parthenogenesis n.

(Biol.) The production of new individuals from virgin females by means of ova which have the power of developing without the intervention of the male element; the production, without fertilization, of cells capable of germination. It is one of the phenomena of alternate generation. Cf. Heterogamy, and Metagenesis.

(Bot.) The production of seed without fertilization, believed to occur through the nonsexual formation of an embryo extraneous to the embryonic vesicle.

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Etymology of 'Parthenogenesis'

Collaborative International Dictionary of English 0.48

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"Parthenogenesis" Quotes from Famous Books

... albumen &c 357. spontaneous generation; archegenesis^, archebiosis^; biogenesis, abiogenesis^, digenesis^, dysmerogenesis^, eumerogenesis^, heterogenesis^, oogenesis, merogenesis^, metogenesis^, monogenesis^, parthenogenesis, homogenesis^, xenogenesis1^; authorship, publication; works, opus, oeuvre. biogeny^, dissogeny^, xenogeny^; tocogony^, vacuolization. edifice, building, structure, fabric, erection, pile, tower, flower, fruit. V. ...

— Roget's Thesaurus of English Words and Phrases: Body • Roget

... a short digression. In the case of animals and plants with separated sexes, it is of course obvious that two individuals must always (with the exception of the curious and not well understood cases of parthenogenesis) unite for each birth; but in the case of hermaphrodites this is far from obvious. Nevertheless there is reason to believe that with all hermaphrodites two individuals, either occasionally or habitually, concur for the reproduction ...

— On the Origin of Species - 6th Edition • Charles Darwin

Words linked to "Parthenogenesis" : androgeny, parthenogenetic, agamogenesis, gynogenesis, androgenesis, asexual reproduction, parthenogeny, virgin birth, apomixis