内容正文:
苏
教
版
遗传病和优生优育
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1
学习目标
举例说出常见的遗传病及其危害
认同优生优育
举例说出一些优生优育的措施,如提倡遗传咨询、禁止近亲结婚等
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2
情景导入
为什么健康的夫妇会生出白化病的孩子?
我们的周围,健康的夫妇生出白化病孩子的几率非常低,为什么?
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3
遗传病与近亲结婚
遗传病是指由遗传物质发生改变而引起的或者是由致病基因所控制的疾病。
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