Abstract: Micro-lecture is a new type of teaching resources, which has developed rapidly in recent years. However, more about microlectures is competitions, and in teaching practice, there are few reports. This study aims at the characteristics of genetics. According to the characteristics of genetics, this study selected the difficulties, exercises and extracurricular knowledge in the teaching of genetics to make micro-lecture, and carried out the practice in genetics teaching, and achieved good teaching results. It promotes the students to master the hard and difficult knowledge, saves the time of the evaluation exercises, and expands the students′ knowledge level to a certain extent.

Key words: genetic teaching, micro-lecture, application