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高中生物基因工程教学中目的基因和标记基因的区别

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摘要 目的基因和标记基因是高考考试大纲明确要求的考试内容,在基因工程专题和高考中处于重要的地位.在构建的基因表达载体中,二者的作用有显著差别,目的基因承载了人类转基因的目标,通过目的基因完成对生物性状的定向改造;标记基因的作用是筛选成功导入目的基因的细胞,是一种筛选工具.本文将从功能的角度,区别目的基因与标记基因的本质属性,为该内容的教学提供参考.
作者 翟培源
机构地区 陕西省西安中学
出处 《新课程教学(电子版)》 2015年第9期10-11,共2页 Teaching and Learning of New Curriculum
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