| 释义 |
euploid, a. Biol.|ˈjuːplɔɪd|
[a. G. euploid (G. Täckholm 1922, in Acta Horti Berg. VII. 234), f. eu- + -ploid.]
Of a cell, an organism, or tissue: having each of the different chromosomes of the set in equal numbers; having an exact multiple of the haploid chromosome number. So ˈeuploidy, the condition or state of being euploid.
1926L. W. Sharp Introd. Cytol. (ed. 2) xvii. 385 When the total number [of chromosomes] is..an exact multiple of the fundamental haploid number the term euploid..may be employed. Ibid. 387 (caption) The diploid chromosome complements of various species of Rosa, illustrating euploidy. 1933Times Lit. Suppl. 9 Nov. 779/1 Euploidy (regular multiplication of the basic chromosome number) is characteristic of cultivated apples. 1956Nature 25 Feb. 384/2 By developing more constant euploid (or polyploid) cells. |