The process of learning Bioethics does not use specific teaching materials and adapts to the models and methods suggested in the lesson plans. Teaching materials that can support learning Bioethics are electronic modules. The purpose of this study was to produce a case-based learning electronic module of Bioethics for students of the Biology Department, Universitas Negeri Padang that is valid and practical. This research is a development research using the Plomp model which consists of initial

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... nvestigation, development and assessment. The instruments used were validity assessment sheets and practicality assessment sheets by lecturers and students. The results showed that learning using the electronic module Bioethics based on case-based learning on the validator's assessment with a value of 94.29% was very valid criteria. The results of the practicality assessment by the lecturer showed a value of 93.37% with very practical criteria and the results of the practicality test by students showed a value of 78.98% with practical criteria.