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目 录 第1章 遗传因子的发现········································( 1 ) 第1节 孟德尔的豌豆杂交实验(一)·····························( 1 ) 一、孟德尔遗传定律的发现过程及适用条件····················( 1 ) 二、注意性状显隐性的3种判断方法··························( 3 ) 三、纯合子、杂合子以及个体基因型的判断方法················( 5 ) 第2节 孟德尔的豌豆杂交实验(二)···························( 6 ) 一、孟德尔定律的应用······································( 6 ) 二、遗传致死题型的解题技巧································( 11 ) 三、孟德尔遗传定律的实质··································( 14 ) 第2章 基因和染色体的关系····································( 16 ) 第1节 减数分裂与受精作用··································( 16 ) 一、减数分裂与有丝分裂图像的判断··························( 16 ) 二、减数分裂形成配子的种类的判断··························( 18 ) 三、减数分裂图文转换的判断································( 20 ) 四、减数分裂与遗传规律、变异等知识的联系··················( 21 ) 第2节 基因在染色体上······································( 23 ) 对分离定律运用中概率计算的情况分析····················( 23 ) 第3节 伴性遗传············································( 24 ) 遗传方式的判断及概率计算······························( 24 ) 第3章 基因的本质············································( 30 ) 第1节 DNA是主要的遗传物质································· ( 30 ) 一、理清两个经典实验的探索过程····························( 30 ) 二、“两看法”解答噬菌体侵染细菌的同位素标记问题··········( 32 ) 第2节 DNA分子的结构······································· ( 34 ) 一、巧用“五、四、三、二、一”记牢DNA的结构··············( 34 ) 二、牢记DNA分子中有关碱基比例的计算························( 34 ) 第3节 DNA的复制··········································· ( 36 ) 一、“六处思考”DNA的复制································· ( 36 ) 二、DNA复制过程中的相关计算······························· ( 38 ) 三、DNA复制与细胞分裂中染色体标记问题····················· ( 40 ) 四、放射性同位素在生物实验中的应用························· ( 42 ) 第4章 基因的表达············································( 44 ) 第1节 基因指导蛋白质的合成································( 44 ) 图析遗传信息表达的2个重要过程························( 44 ) 第2节 基因对性状的控制····································( 47 ) 一、归纳识记中心法则与生物种类的关系······················( 47 ) 二、“三步法”判断中心法则各过程··························( 48 ) 第5章 基因突变及其他变异····································( 50 ) 第1节 基因突变
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