苏教版高中生物必修2.docx

苏教版高中生物必修2.docx

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苏教版高中生物必修2

苏教版高中生物必修2

　　　　　　目　　录　　第一章生物科学和我们...............................................................................................................1　　第一节身边的生物科学.......................................................................................................1　　要点精讲..........................................................................................................................11.人类面临的问题之一：

粮食问题..............................................................................12.生物科学与社会———科学合理地应用现代农业生物技术..................................3针对训练..........................................................................................................................5第二节生物科学的学习过程...............................................................................................7　　要点精讲..........................................................................................................................71.科学家不断思考———进化理论的创立和完善........................................................72.像科学家一样思考———科学思维............................................................................9针对训练........................................................................................................................13专项突破................................................................................................................................14　　要点精讲........................................................................................................................14科学研究的基本模式.....................................................................................................14真题演练................................................................................................................................16单元检测................................................................................................................................16第二章减数分裂和有性生殖.....................................................................................................18　　第一节减数分裂.................................................................................................................19　　要点精讲........................................................................................................................191.细胞的减数分裂..........................................................................................................192.生殖细胞的形成..........................................................................................................223.受精作用......................................................................................................................26针对训练........................................................................................................................28第二节有性生殖.................................................................................................................30　　1.有性生殖的概念和意义..............................................................................................302.绿色开花植物的有性生殖与个体发育......................................................................313.脊椎动物的有性生殖和个体发育..............................................................................35针对训练........................................................................................................................37专项突破................................................................................................................................38　　要点精讲........................................................................................................................38减数分裂与有丝分裂.....................................................................................................38真题演练................................................................................................................................42单元检测................................................................................................................................44第三章遗传和染色体.................................................................................................................48　　第一节基因的分离定律.....................................................................................................49　　要点精讲........................................................................................................................491.基因的分离定律........................................................................................................492.孟德尔遗传实验的科学方法....................................................................................533．基因的分离定律的应用...........................................................................................54针对训练........................................................................................................................57　　第二节基因的自组合定律.............................................................................................59　　要点精讲........................................................................................................................591.基因的自组合定律................................................................................................592.性别决定和伴性遗传..................................................................................................63针对训练........................................................................................................................68第三节染色体变异及其应用.............................................................................................70　　要点精讲........................................................................................................................701.染色体结构的变异....................................................................................................702．染色体数目的变异...................................................................................................733．染色体变异在育种上的应用...................................................................................77针对训练........................................................................................................................79专项突破................................................................................................................................81　　要点精讲........................................................................................................................81自组合定律与分离定律区别与联系.........................................................................81真题演练................................................................................................................................83单元检测................................................................................................................................87第四章遗传的分子基础.............................................................................................................92　　第一节探索遗传物质的过程.............................................................................................92　　要点精讲........................................................................................................................921.DNA是主要的遗传物质...........................................................................................922.提取DNA....................................................................................................................97针对训练........................................................................................................................98第二节DNA的结构和DNA的复制................................................................................98　　要点精讲........................................................................................................................981.DNA的结构...............................................................................................................982.DNA的复制.............................................................................................................101针对训练......................................................................................................................104第三节基因控制蛋白质的合成.......................................................................................106　　要点精讲......................................................................................................................1061.从基因到蛋白质........................................................................................................1062.基因对性状的控制....................................................................................................1123.人类基因组计划........................................................................................................1164．中心法则及其发展.................................................................................................117针对训练......................................................................................................................120第四节基因突变和基因重组...........................................................................................122　　要点精讲......................................................................................................................1221.基因突变....................................................................................................................1222.基因重组....................................................................................................................1243.重组DNA技术.........................................................................................................126针对训练......................................................................................................................131第五节关注人类遗传病...................................................................................................133　　要点精讲......................................................................................................................1331.人类基因遗传病...................................