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从琼瑶小说哑女导入新课,一位哑女父母正常,她弟弟正常,要搞清这一现象的实质,我们要学习基因的分离定律。通过视频简单介绍孟德尔,孟德尔的生平简介,让学生了解这位遗传学的奠基人,下面让我们沿着这位伟人的足迹,共同来探讨基因的分离定律的发现过程。孟德尔成功的重要原因之一选择了豌豆作为实验材料。首先请同学们阅读教材了解豌豆的特点。结合学案填空。请同学们观看动画人工授粉,去雄——套袋——授粉——套袋。
From the Qiong Yao novel dumb girl into a new class, a dumb girl parents normal, her brother normal, to find out the essence of this phenomenon, we have to learn the law of gene separation. Brief introduction to Mendel’s and Mendel’s biographical briefing through video, to let students know the founder of genetics, let’s explore the discovery of the law of gene separation along this great man’s footsteps. One of the important reasons for Mendel’s success was the selection of peas as experimental material. First, ask the students to read the textbooks to understand the characteristics of peas. Combine the case to fill in the blank. Please watch the animation animation artificial pollination, to male - bagging - pollination - bagging.