| 释义 |
polyploidize, v. Biol.|ˈpɒlɪplɔɪdaɪz|
[f. prec. + -ize.]
trans. To render polyploid. Chiefly as ˈpolyploidizing ppl. a. Hence ˌpolyploidiˈzation.
1941Amer. Naturalist LXXV. 128 It is often assumed that treatment with colchicine or other polyploidizing agents, if effective, will induce an exact doubling of each chromosome so that a balanced 4n condition, for example, will result throughout the part of the plant affected. This is very far from what actually happens. 1945Bot. Rev. XI. 162 Schmuck found that wheat and barley seeds were polyploidized by acenaphthene, acenaphthylene, [etc.]. 1968G. B. Wilson Elem. Cytogenetics v. 58 Many species of plants have been polyploidized by man through the use of conditions which disrupt mitosis and meiosis by preventing anaphase separation. 1974Oncology XXIX. 520 Besides the loss and acquisition of chromosomes and polyploidization, these tumours were mainly characterized by the occurrence of multiple more or less complex translocations. 1975Nature 31 Jan. 361/2 Cells treated with any one of the polyploidising agents gave rise to colonies, 13 of which were isolated and developed into established lines. |