| 单词 | kin selection |
| 释义 | > as lemmaskin selection kin selection n. Biology a form of natural selection in which characteristics that may be disadvantageous to an individual, such as sterility in worker insects or altruistic behaviour, can persist or increase in the population if they contribute to the survival and reproduction of the individual's close genetic relatives; cf. group selection n. at group n. Compounds 2. ΘΚΠ the world > life > biology > biological processes > evolution > [noun] > selection natural selection1842 selection1857 survival of the fittest1864 selection value1892 organic selection1896 post-selection1896 orthoselection1907 survival value1912 kin selection1964 r selection1967 1964 J. Maynard Smith in Nature 14 Mar. 1145/2 By kin selection I mean the evolution of characteristics which favour the survival of close relatives of the affected individual, by processes which do not require any discontinuities in the population breeding structure. 1976 R. Dawkins Selfish Gene (1981) vi. 101 Kin selection accounts for within-family altruism; the closer the relationship, the stronger the selection. 1995 New Scientist 25 Nov. 56/1 The geneticist J. B. S. Haldane was the first to suggest that altruistic sacrifice would make sense if it ensured the survival of two of your offspring or, say, eight cousins, because your genes would survive in them. This is called kin selection. 2006 R. Joyce Evol. Morality ii. 45 The unquestionable importance of the mother-child relation is sufficient for us to conclude..that kin selection was an important force in our heritage. < as lemmas |
| 随便看 |
|
英语词典包含1132095条英英释义在线翻译词条，基本涵盖了全部常用单词的英英翻译及用法，是英语学习的有利工具。