Several years ago, human genes were added to a mouse to create a model of Down's syndrome for scientists to study how the disease evolves, which could lead to potential treatments.
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狗的基因组序列能帮助研究人员更快的找到引起人类疾病的基因,因而这种动物是比较有用的疾病模型。
And a dog genome sequence has made the animals an even more useful model by quickening the search for disease-causing genes.