“有丝分裂与减数分裂”是高中生物教学的重点和难点,也是高考命题的关注点,常结合图形考查,具有思维跨度大,综合性强等特点,能充分体现高考能力考查,因而会成为今后高考命题的热点。而不少学生在解答与细胞分裂图形有关的习题时,一些问题就凸现出来,如:理解偏差、分析不全、知 “Mitosis and meiosis” is the focus and difficulty of high school biology teaching, but also the focus of the college entrance examination proposition, often with the graphics test, with thinking span, comprehensive and so on, can fully reflect the ability of college entrance examination, which will become the future Entrance hot topic. While many students in the solution and cell division graphics related problems, some problems are highlighted, such as: understanding bias, incomplete analysis, knowledge