释义 |
homogenetic, a. Biol.|-dʒɪˈnɛtɪk| [f. homo- + genetic.] 1. Having a common descent or origin; applied by Ray Lankester to organs or parts of different organisms which, however variously modified, show a correspondence of structure due to derivation from a common ancestor. Nearly synonymous with homologous 2, and opp. to homoplastic.
1870Ray Lankester in Ann. Nat. Hist. VI. 38 We surely are not to understand that these muscles are homogenetic, that the common ancestor of Mammalia and Sauropseda possessed all these muscles. 1874Blackie's Pop. Encycl. s.v. Homology, It has..been proposed to distinguish those homologies where community of descent is obvious as homogenetic. 2. Relating to ordinary reproduction or homogenesis (sense 2).
1889in Cent. Dict. So homogeˈnetical a., of, relating to, or having reference to, homogeny or community of descent.
1870Ray Lankester in Ann. Nat. Hist. VI. 37 The homogenetical agreement can be one of no greater detail than is indicated by the condition of this region in the supposed common ancestor of Mammalia and Sauropsida. |