论文部分内容阅读
浅谈细胞分裂图形的辨别湖南湘潭县七中(411202)陈立新动植物细胞分裂是高中《生物》教学中的一个重点,而对有丝分裂和减数分裂各个时期图形的辨别更是教学中的一个难点。按照教材顺序,有丝分裂安排在第一章,而减数分裂安排在第三章,若按顺序讲授,将不利于学...
Discussion on the discrimination of cell division patterns Qizhong, Xiangtan County, Hunan Province (411202) Chen Lixin Animal and plant cell division is a key point in the teaching of biology in high schools, and distinguishing the patterns of mitosis and meiosis in each period is a difficult point in teaching. . According to the order of teaching materials, mitosis is arranged in the first chapter, and meiosis is arranged in Chapter 3. If you teach in order, it will not be conducive to learning...