parthenogenesis

parthenogenesis
noun /ˌpɑːθᵻnəʊˈʤɛnᵻsɪs,ˌpɑːθənəʊˈʤɛnɪsɪs,ˌpɑɻθənoʊˈʤɛnəsəs/
a) Reproduction by the development of a single gamete (viz. an ovum or ovule) without fertilisation by a gamete of the opposite sex; compare , .

We may learn, to be sure, plenty of lessons from Shakespeare. We are not likely to have kingdoms to divide, crowns foretold us by weird sisters, a father’s death to avenge, or to kill our wives from jealously ; but Lear may teach us to draw the line more clearly between a wise generosity and a loose-handed weakness of giving ; Macbeth, how one sin involves another, and forever another, by a fatal parthenogenesis, and that the key which unlocks forbidden doors to our will or passion leaves a stain on the hand, that may not be so dark as blood, but that will not out ; Hamlet, that all the noblest gifts of person, temperament, and mind slip like sand through the grasp of an infirm purpose ; Othello, that the perpetual silt of some one weakness, the eddies of a suspicious temper depositing their one impalpable layer after another, may build up a shoal on which an heroic life and an otherwise magnanimous nature may bilge and go to pieces.


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  • Parthenogenesis — (from the Greek παρθένος parthenos , virgin , + γένεσις genesis , creation ) is an asexual form of reproduction found in females where growth and development of embryos or seeds occurs without fertilization by a male. The offspring produced by… …   Wikipedia

  • parthenogenesis — par the*no*gen e*sis (p[aum]r th[ e]*n[ o]*j[e^]n [ e]*s[i^]s), n. [Gr. parqe nos a virgin + E. genesis.] 1. (Biol.) The production of new individuals from virgin females by means of ova which have the power of developing without the intervention …   The Collaborative International Dictionary of English

  • parthenogenesis — parthenogenesis. См. девственное размножение. (Источник: «Англо русский толковый словарь генетических терминов». Арефьев В.А., Лисовенко Л.А., Москва: Изд во ВНИРО, 1995 г.) …   Молекулярная биология и генетика. Толковый словарь.

  • Parthenogenĕsis — (gr.), so v.w. Generationswechsel, s.u. Metamorphose …   Pierer's Universal-Lexikon

  • Parthenogenĕsis — (gr.), heißt auch das Entstehen von Thieren aus unbefruchteten Eiern, s.u. Zeugung S. 564 …   Pierer's Universal-Lexikon

  • Parthenogenesis — (griech., Jungfernzeugung), eine Art der Fortpflanzung, bei der sich das Ei ohne Befruchtung durch den Samen entwickelt. Bei der P. muß also wie bei der zweigeschlechtlichen Fortpflanzung ein weibliches Tier vorhanden sein, aber nur dieses allein …   Meyers Großes Konversations-Lexikon

  • Parthenogenesis — Parthenogenĕsis (grch.), Jungfernzeugung, die Hervorbringung entwicklungsfähiger Eier oder lebendiger Junger ohne vorausgegangene Begattung (bes. bei Krustazeen und Insekten). – Vgl. von Siebold (1856), Karsten (1888), Taschenberg (1892) …   Kleines Konversations-Lexikon

  • parthenogenesis — (n.) reproduction without fertilization, 1849, from Gk. parthenos virgin, of unknown origin, + genesis (see GENESIS (Cf. genesis)) …   Etymology dictionary

  • parthenogenesis — ► NOUN Biology ▪ reproduction from an ovum without fertilization, especially in some invertebrates and lower plants. DERIVATIVES parthenogenetic adjective. ORIGIN from Greek parthenos virgin + genesis creation …   English terms dictionary

  • parthenogenesis — [pär΄thə nō΄jen′ə sis] n. [ModL < Gr parthenos, maiden, virgin + genesis, origin: see GENESIS] reproduction by the development of an unfertilized ovum, seed, or spore, as in certain insects or algae: it may be induced artificially by chemical… …   English World dictionary

  • Parthenogenesis — Development of a germ cell without fertilization. This is what happens in the formation of ovarian teratomas (dermoid cysts). All of the chromosomes in these benign tumors of the ovary come from the mother. The counterpart of the ovarian teratoma …   Medical dictionary

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