一、背景该题是某次学情调查试卷中的一题,当时的错误率高达近90%,经过老师评讲,学生订正,一周后的期中考试中原题重考,该题的错误率仍然高达近70%.老师感到很困惑,找学生谈心,了解学生中存在的问题,找出错误原因,并在试题评讲中,针对性的讲解了基因自由组合定律的实质和意义.二、原题基因的自由组合定律发生于下图中哪个过程 First, the background The title is a question in a questionnaire, a question, then the error rate as high as nearly 90%, after the teacher commented that the students correct, a week after the midterm exam re-examination, the title of the error rate is still Up to nearly 70% .The teacher was very confused, looking for students to talk about, to understand the problems in students, to find out the reasons for the error, and in the test questions, specifically explain the nature and significance of the law of gene free combination.Second, the original The free combination law of the genes occurs in which process in the figure below