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机宰题是遗传学中一种难度较大的综合性题型。随着生物学各类考试中机事题出现的频率日趋增多，难度日趋加大，辅导学生解答机宰题，也就成了教学中一个必不可少的内容。笔者深切体会到．辅导解答机车题，要系统与典型相结合，抓住以下三个方面。l机率的类型机率题一般有三种类
Machine-kipping is a more difficult comprehensive question in genetics. With the increasing frequency of the occurrence of machine problems in various types of biology and the increasing difficulty, it is an indispensable part of teaching to help students answer questions. The author deeply understands. The coaching and answering of locomotive questions should be combined with the typical system and grasp the following three aspects. l Types of probability There are generally three types of probability questions