| 释义 |
-ploid|plɔɪd|
the ending of haploid a. (and n.) and diploid a., used to form analogous terms referring to the number of chromosome sets in a cell or organism (as euploid, hexaploid, hyperploid s.v. hyper- IV. adjs.); occas. used with prefixed arabic number as 16-ploid. [haploid, diploid f. Gr. ἁπλόος single (also ἁπλοίς, -ίδος and ἁπλο-ειδής, f. εἶδος form), διπλόος double; the -id in these words Strasburger (Progresses Rei Bot. (1907) I. 137), their coiner, connected with id, idant, and idioplasm (f. Gr. ἰδιο-: see idio-).]
1928Hereditas X. 245 Lately Blackburn.., investigating chromosome numbers in Silene, has described two races of Silene ciliata differing in chromosome number, the one being tetraploid (as compared with most other Silene-species), the other 16-ploid. |