2. The nucleus of this cell contains all the genes needed to produce a new sheep.
这个细胞得细胞核含有生产一只新的绵羊的必需的基因。
needed to produce a new sheep 为过去分词短语作后置定语,修饰其前面的名词genes, 构成动宾搭配关系。
contain v. have or hold within itself 饱含\里面有