NotesFAQContact Us
Collection
Advanced
Search Tips
Showing all 2 results Save | Export
Peer reviewed Peer reviewed
Direct linkDirect link
Cooper, Robert A. – American Biology Teacher, 2015
This paper presents an activity that engages students in model-based reasoning, requiring them to predict the behavior of the trp and lac operons under different environmental conditions. Students are presented six scenarios for the "trp" operon and five for the "lac" operon. In most of the scenarios, specific mutations have…
Descriptors: Biology, Models, Prediction, Vignettes
Peer reviewed Peer reviewed
PDF on ERIC Download full text
Rotbain, Yosi; Stavy, Ruth; Marbach-Ad, Gili – Science Education Review, 2008
Our main goal in this study was to explore whether the use of models in high school molecular genetics instruction can contribute to students' understanding of concepts and processes in genetics. Three hundred and nineteen students from four comparable groups of 11th- and 12th-grade students participated. The control group (116 students) was…
Descriptors: Molecular Structure, Models, High School Students, Genetics