高中生物必修2模块在几种育种原理、方法及应用部分的学习是彼此分割开的,内容比较简单,但在高考试题中对这部分内容的考查基本上是几种育种方法的有机结合综合运用.学生仅靠平时掌握的零乱知识做育种综合试题,常感到力不从心无从下手,再加上多数学生对生产实践缺乏了解,对不同育种概念的内涵和外延理解的不够深入,因此在根据试题情景选取育种方法和设计育种程序时,往往思路不清、丢三落四.针对教材、学生的情况及高考的 High school biology compulsory 2 modules in several breeding principles, methods and application of part of the study is separated from each other, the content is relatively simple, but in the college entrance examination questions on this part of the content is basically the combination of several breeding methods combined Students rely only on the usual knowledge of the disorder to do a comprehensive test of breeding, often feel powerless to start, coupled with the majority of students lack of understanding of production practices, different breeding concept of connotation and extension of understanding is not deep enough, so according to the test scenario selection Breeding methods and design breeding programs, often not clear thinking, lost three or four. For teaching materials, the situation of students and college entrance examination