So even though basking sharks are found throughout the world, you couldn't tell the difference genetically from one from the Pacific, the Atlantic, New Zealand, or from Ireland, South Africa.
即使全世界发现的各种姥鲨 就基因信息上你不能说他们有太大区别 虽然它们可能有的来自太平洋，大西洋， 新西兰或者爱尔兰，南非