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反向选择
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反向选择
将反向选择标记基因导入受体细胞,在一定的筛选条件下,带有反向选择标记基因的细胞株不能生长,而不带有反向选择标记基因的细胞株则能够生长,从而对目的基因的转化子进行无选择标记的筛选。
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Test Mass
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test method for compression strength of composite trepanning plate
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test methods of material thermal stability
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test of a hypothesis
test of a hypothesis against an alternative
test of a linear hypothesis
test of brake performance
test of Chinese character writing
test of cleanroom
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test of constancy
test of convergence
test of dispersion
test of divergence
test of divisibility
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