单词 | asexual reproduction |
释义 | asexual reproduction (once / 196989 pages) n WORD FAMILY asexual reproduction USAGE EXAMPLESAll yeasts engage in asexual reproduction most of the time. Economist(Sep 08, 2016) A variety of species of ants, wasps and bees can switch between sexual and asexual reproduction. New York Times(Jun 09, 2016) Parthenogenesis is a type of asexual reproduction in which offspring develop from unfertilized eggs, meaning there is no genetic contribution by a male. US News(Sep 17, 2015) n reproduction without the fusion of gametes Syn|Hypo|Hyper agamogenesis apomixis any of several kinds of reproduction without fertilization blastogenesisasexual reproduction by budding buddingreproduction of some unicellular organisms (such as yeasts) by growth and specialization followed by the separation by constriction of a part of the parent fissionreproduction of some unicellular organisms by division of the cell into two more or less equal parts fissiparityreproduction of some multicellular organisms by division, as in the case of some starfish monogenesis, sporulationasexual reproduction by the production and release of spores parthenogenesis, parthenogeny, virgin birthhuman conception without fertilization by a man gemmation, pullulationasexual reproduction in which a local growth on the surface or in the body of the parent becomes a separate individual apogamy(botany) development of an embryo without fertilization; especially the development in some ferns of a sporophyte from the gametophyte without fertilization heterosporythe development of both microspores and megaspores homosporythe development of a single kind of asexual spores parthenocarpy(botany) the development of a fruit without fertilization or seeds parthenogenesis, parthenogenyprocess in which an unfertilized egg develops into a new individual; common among insects and some other arthropods schizogonyasexual reproduction by multiple fission; characteristic of many sporozoan protozoans reproduction the process of generating offspring |
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