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1987年4月,哈佛大学申请到一个老鼠的专利。这一老鼠有一个人基因,这一基因使得老鼠只要接触到很少量的致摇囚于就月也速友生癌症。这种老鼠可用以鉴定化学物质的致癌性。/这是美国政府第一次对一个经遗传改变的动物授予专利
April 1987, Harvard University to apply for a mouse patent. This mouse has a human gene, this gene makes the mouse as long as exposure to a very small amount of shaken prisoners on the month also speed cancer. This rat can be used to identify the carcinogenicity of chemicals. This is the first time that the U.S. government has granted a patent for a genetically altered animal