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【主干知识】1.分析减数分裂过程中染色体和DNA的变化特点;2.说明配子的形成过程,区分精子和卵细胞形成的不同;3.鉴别有关减数分裂和有丝分裂的细胞图像,准确绘制典型的细胞分裂图:
[Backbone Knowledge] 1. Analysis of the characteristics of chromosomes and DNA changes during meiosis; 2. Describe the process of gametogenesis and differentiate the formation of sperm and egg cells; 3. Identify the cell images for meiosis and mitosis and plot accurately Typical cell division diagram: