基因控制生物的性状教学设计(精选)

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1、基因控制生物的性状教学设计(精选)第一节基因控制生物的性状一、教学目标：1、举例说出生物的性状和相对性状。2、举例说出生物的性状是由基因控制的。3、关注转基因技术给人类带来的影响。二、教学重点：举例说出性状和相对性状的区别，举例说出生物的性状是由基因控制的。三、教学难点：举例说出生物的性状是由基因控制的。四、教材分析：本节课是人教版八年级《生物学》下册第二章“生物的遗传和变异”organizationsystemandworkingmode,theselectionofanumberofmunicipalst

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