千家ee
幼苗
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Transgenic technology is the definition of artificial separation,and modified the gene into the body to its expression of a new character,the transgenic technology is designed to improve people's quality of life,can be broadly divided into three steps:1 ,From 2 gene,import inspection and 3 gene expression (the best use attributive clause and non-predicate,if not even a)
1年前
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