八年级生物上册4.4.5《人类优生与基因组计划》导学案2(无答案)(新版)济南版.doc

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1第五节 人类优生与基因组计划【学习目标】1.进行调查活动“调查新生儿的情况” ,了解本地新生儿的遗传病情况,进而说出常见的遗传病及其危害,知道什么是近亲结婚及近亲结婚的危害;2.了解我国婚姻法中关于近亲结婚的相关内容;3.举例说出一些优生优育的措施。4.描述人类基因组计划【重点.难点】重点:1.说出常见的遗传病及其危害2.知道什么是近亲结婚及近亲结婚的危害;3.说出一些优生优育的措施。难点:1.说出常见的遗传病及其危害2.知道什么是近亲结婚及近亲结婚的危害。【导入新课】青梅竹马.坠入爱情之河的表兄妹们为什么不宜结婚?课前准备:1.完成调查活动“调查新生儿的情况” ;2.自主学习目标,阅读教材,查找资料,完成“自主学习” “合作探究”【学生自主学习】1.由于 物质发生变化而引起的或是由 所控制的疾病,就叫遗传病。2.我国婚姻法规定: 血亲和三代以内的 血亲之间禁止结婚。近亲之间携带相同致病基因的可能性 。近亲结婚所生子女的遗传病患病率就远远 于非近亲结婚所生子女的遗传病患病率。3.优生:是指 。优育:是指 。优生优育的措施有: 、 、 等。4.人类基因组计划启动于 2了解了基因就能够 【小组合作探究】1.教材 p112“分析讨论” T1-22.教材 p114 “调查活动” 3.某同学患先天性聋哑,同学们都不愿和他接触,怕也患上该病,对此你有什么看法?

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