| 单词 | p element | 
| 释义 | > as lemmasp element   p element  n.				 [ <  p- (in paternally adv., paternal adj.) + element n., with reference to the so-called ‘paternally contributing’ strains of  Drosophila fruit flies (bearing p elements), which produce sterile offspring from males mated with females of the ‘maternally contributing strains’ lacking this element, but not vice versa]			 Genetics the first eukaryotic transposon to be identified, found in  Drosophila fruit flies and used as a vector for experimental gene transfer. ΚΠ 1982    G. M. Rubin  et al.  in  Cell 29 991/2  				Five of the mutations were caused by the insertion of members of a single family of elements, which we call P elements. 1990    EMBO Jrnl. 9 3947/2  				The hybrid gene was placed within a P element vector..containing rosy as a phenotypic marker for transformation. 1999    J. Weiner Time, Love, Memory 151  				In a vial, they mixed a solution of these sticky DNA fragments called ‘P elements’, which would act as shuttles to carry the DNA of interest into the bacterial DNA. < 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。