科学家们发现只需向动物胚胎中注射另一物种的干细胞，他们便能创造出一种拥有另一物种器官的嵌合体动物。
Scientists have found they can create chimeric animals that have organs belonging to another species by injecting stem cells into the embryo of another species.
由两个物种的细胞混合而诞生的动物，其科学术语唤作嵌合体。
The scientific term for an animal with mingled cells from two species is chimera.
直到最近几年，嵌合体都没有得到太多的研究，因此人们认为长得十分相似，在世界各地的不同地点的同一物种中的生物。
Until recent years, chimaeras hadn't received much study, so people treated the similar-looking creatures found in different spots across the world as the same species.
不同的物种也可以形成嵌合体。
不同的物种也可以形成嵌合体。
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