Characters controlled by the dna of extranuclear organelles are not inherited according to mendelian laws and are transmitted only through the female line , since only the female gametes have an appreciable amount of cytoplasm 由于细胞质大多来自母体所产生的配子,所以由细胞核外的细胞器的dna所控制的遗传性状一般只随母系而遗传,也不符合孟德尔定律。
Like all genes , the job of these two genes is to carry the recipe for their own proteins work together to control their own production . one of the proteins accumulates in the cytoplasm , the region of the cell outside the nucleus 与所有基因一样,这两种基因的功能是为自身蛋白质的产生做准备,控制蛋白质的产量.其中一种蛋白质在细胞质- -细胞核外的那部分中积聚起来