江西省万载县高中生物专题2细胞工程2.1.1植物细胞工程的基本技术2教案新人教版选修3.doc

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1 -2.1.1 植物细胞工程的基本技术 2教学目标 植物体细胞杂交的原理。重点 植物体细胞杂交的原理。难点 植物体细胞杂交的原理。教学过程 时间 设计意图 个人备课一、 检查预习检查世纪金榜自主预习【21】完成情况。二、导入新课直接导入三、推进新课1、植物体细胞杂交技术(1)概念:将不同种的植物_,在一定条件下融合成_,并把杂种细胞培育成_的技术。(2)过程(3)意义:克服不同生物_不亲和的障碍。四、课堂训练 【例】有关传统植物杂交与植物体细胞杂交的比较,正确的是 ( )A.两者涉及的变异类型依次是基因重组、基因突变B.两者的操作中都需要使用纤维素酶和果胶酶C.两项技术培育出的新个体与亲代之间均不存在生殖隔离D.与前者相比,后者可以克服不同物种之间远缘杂交不亲和的障碍【答案】D31306检查预习情况,为讲解新课铺垫。导入新课,口述学习目标讲授分析,掌握植物体细胞杂交的原理。- 2 -五、课堂小结六、 作业和预习1、完成世纪金榜课时检测区 P252、预习植物细胞工程的实际应用41当堂训练,检测知识运用总结本课学习内容,学生记忆相关知识点。布置下节课的预习任务教学反思

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