广东省惠州市2019年高考生物复习第2章减数分裂滚动卷(无答案).doc

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1 -第 2章 减数分裂1、减数分裂的特点?结果?是否所有生物都可发生?P162、减数分裂的过程: P17(分裂前染色体数=2N 条)时期 主要变化 DNA数染色体数染色单体数间期 前期中期后期减数第一次末期前期中期后期减数第二次末期数量- 2 -O时期3、什么是同源染色体?什么是四分体?(1 个四分体= 条染色体= 个 DNA分子)什么是交叉互换?P184、写出精子的形成过程:P175、写出卵细胞的形成过程:P206、精子和卵细胞产生的区别?P17/P20- 3 -精子 卵细胞场所起始细胞结果细胞一分为二的方式是否需要变形7、判别细胞分裂时期的步骤:(找特殊现象,找有无同源染色体)-(拓展内容)8、受精过程利用的原理是什么?减数分裂后进行受精作用的意义是什么?P24-P259、萨顿的假说提出和摩尔根实验证明采用的研究方法分别是什么?P2810、伴性遗传有什么特点?伴 X隐性、伴 X显性和伴 Y遗传各有什么特点?- 4 -ZW型是如何决定性别的?P35-P37

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