7.Genetically engineered resistance to herbicides
工業(yè)科技

        Tobacco has been on the forefront of plants modified by genetic engineering,being the first plant used to express an engineered foreign gene.These first transformations of tobacco involved the use of Agrobacteriumtumefaciens as a vector. Since that time,s......（本文共 2203 字）     [閱讀本文] >>