| 释义 |
amphidiploid, a. and n. Biol.|ˌæmfɪˈdɪplɔɪd|
[f. amphi- + diploid a.]
Having a diploid set of chromosomes derived from each of its parents; double diploid; = allotetraploid a. Also as n., a hybrid of this kind. Hence ˌamphiˈdiploidy, the state of being amphidiploid.
1930Univ. Calif. Publ. Agric. Sci. VI. 84 An amphidiploid C. capillaris-C. dioscoridis hybrid obtained by M. Nawashin..was smaller. Ibid., Amphidiploids..involve two species of the same genus. 1932N. I. Vavilov in Proc. VI Internat. Congress Genetics I. 341 The phenomenon of amphidiploidy of sterile hybrids proved to be rather frequent... Several cases of amphidiploidy were produced in hybrids of wheat and Aegilops. 1936Nature 23 May 874/1 An amphidiploid wheat. The plant..had 42 chromosomes, and the evidence indicates that it was an amphidiploid produced by the parthenogenetic development of an egg... The amphidiploids are highly fertile. |