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Tsui, Chi-Yan; Treagust, David – International Journal of Science Education, 2010
While genetics has remained as one key topic in school science, it continues to be conceptually and linguistically difficult for students with the concomitant debates as to what should be taught in the age of biotechnology. This article documents the development and implementation of a two-tier multiple-choice instrument for diagnosing grades 10…
Descriptors: Foreign Countries, Genetics, Scientific Concepts, Biotechnology