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教师通过讲授法、提问法阐明同源染色体的概念;学生运用染色体模型模拟减数分裂过程中染色体的行为,描绘出减数分裂过程中染色体的行为和数目变化,并通过小组合作学习总结出减数分裂的特点和结果。
The teacher clarified the concept of homologous chromosomes by lecturing and asking questions. Students used the chromosome model to simulate the behavior of chromosomes during meiosis and delineated the behavior and number changes of chromosomes during meiosis. By means of group cooperation learning, The characteristics and results of the split.