| 释义 |
monogenetic, a.|ˌmɒnədʒɪˈnɛtɪk|
[Formed as monogenesis: see -genetic.]
1. Geol. Of or pertaining to monogenesis; ‘resulting from one continued process of formation’ (Webster Suppl. 1880).
1873[see polygenetic a. 2]. 1880Dana Man. Geol. (ed. 3) 776 The Appalachians..constitute one individual among mountains, because a result of one genetic process, or in a word, monogenetic.
2. Biol. Of or pertaining to monogenesis or monogenism.
1873Max Müller in Fraser's Mag. July 2 There are, indeed, two schools of physiologists, the polygenetic and monogenetic, the former admitting from the beginning a variety of primitive cells, the latter postulating but one cell, as the source of all being. 1886Science VII. 169/1 The monogenetic theory which believes in the original common origin of all mankind from one pair. 1896F. B. Jevons Introd. Hist. Relig. i. 7 Man's origin was monogenetic.
3. Zool. (See quot. 1903.)
1888Rolleston & Jackson Anim. Life 649 In the monogenetic Trematoda it [the ovum] is always laid; in the digenetic it may, or may not commence its development in the oviduct. 1903Minchin Sporozoa in E. R. Lankester Treat. Zool. I. 166 In Monocystis the whole life-history is a single cycle,..it is, in fact, monogenetic... But in many other Sporozoa..the life-cycle becomes digenetic, that is to say, it is differentiated into two distinct generations.
4. Bot. (See quot.)
1900B. D. Jackson Gloss. Bot. Terms, Monogenetic Reproduction, asexual reproduction. |