单词 | parthenogenesis |
释义 | parthenogenesis[ par-thuh-noh-jen-uh-sis ] / ˌpær θə noʊˈdʒɛn ə sɪs / noun Biology.development of an egg without fertilization. Origin of parthenogenesisFirst recorded in 1840–50; partheno- + genesis OTHER WORDS FROM parthenogenesispar·the·no·ge·net·ic [pahr-thuh-noh-juh-net-ik], /ˌpɑr θə noʊ dʒəˈnɛt ɪk/, adjectivepar·the·no·ge·net·i·cal·ly, adverbWords nearby parthenogenesisparterre, part exchange, Parthenia, partheno-, parthenocarpy, parthenogenesis, parthenogenone, Parthenon, Parthenopaeus, Parthenope, Parthenos Dictionary.com UnabridgedBased on the Random House Unabridged Dictionary, © Random House, Inc. 2020 Example sentences from the Web for parthenogenesisBritish Dictionary definitions for parthenogenesisparthenogenesis / (ˌpɑːθɪnəʊˈdʒɛnɪsɪs) / nouna type of reproduction, occurring in some insects and flowers, in which the unfertilized ovum develops directly into a new individual human conception without fertilization by a male; virgin birth Derived forms of parthenogenesisparthenogenetic (ˌpɑːθɪˌnəʊdʒɪˈnɛtɪk), adjectiveparthenogenetically, adverbWord Origin for parthenogenesisC19: from Greek parthenos virgin + genesis birth Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012 Medical definitions for parthenogenesisparthenogenesis [ pär′thə-nō-jĕn′ĭ-sĭs ] n.A form of reproduction in which an unfertilized egg develops into a new individual, occurring commonly among insects and certain other arthropods. Other words from parthenogenesispar′the•no•ge•net′ic (-jə-nĕt′ĭk) adj.The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company. Scientific definitions for parthenogenesisparthenogenesis [ pär′thə-nō-jĕn′ĭ-sĭs ] Reproduction in which an egg develops into a new individual without being fertilized. Aphids and certain other insects can reproduce by parthenogenesis. Parthenogenesis does not necessarily produce clones of the parent. Among hymenopterans such as honeybees and ants, the haploid males develop from unfertilized eggs laid by the queen, who is diploid. Parthenogenesis is a form of apomixis. Other words from parthenogenesisparthenogenetic adjective (pär′thə-nō-jə-nĕt′ĭk)The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved. |
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