Biotechnology is an essential subjects matter in Biology Education. The material is deep discussed about the application of Biology in daily life and the phenomenon of problems in society such as DNA testing, GMO food, health biotechnology and others. As a provision for science for prospective Biology Teachers, Biotechnology is still considered difficult to understand for students of the subject because it seems abstract, not real and imaginative. One of the elusive material is Recombinant DNA Technology. This study aims to determine the effect of using Video Modeling Examples on the mastery of the concept of recombinant DNA technology in the Biotechnology Course. The method used in this study was quasi-experimental with the design of the pre-test posttest with as many as 50 prospective teacher students. The process of conducting the research was carried out in the first way the students were given pre-tests by answering several questions regarding recombinant DNA technology; then students looked at recombinant DNA technology videos through the explanation of a model in the video. After that, the students answer the post-test. The results obtained showed that the use of video modelling examples could significantly improve the mastery of the concept of recombinant DNA technology for prospective Biology teacher students.

Topics
Educational assessment, Teaching, Recombinant DNA technology, Biotechnology, DNA profiling, Food, Abstracts
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