NDLI: Definition of historical models of gene function and their relation to students’ understanding of genetics

Content Provider	Springer Nature Link
Author	Gericke, Niklas Markus Hagberg, Mariana
Copyright Year	2006
Abstract	Models are often used when teaching science. In this paper historical models and students’ ideas about genetics are compared. The historical development of the scientific idea of the gene and its function is described and categorized into five historical models of gene function. Differences and similarities between these historical models are made explicit. Internal and external consistency problems between the models are identified and discussed. From the consistency analysis seven epistemological features are identified. The features vary in such ways between the historical models that it is claimed that learning difficulties might be the consequence if these features are not explicitly addressed when teaching genetics. Students’ understanding of genetics, as described in science education literature, is then examined. The comparison shows extensive parallelism between students’ alternative understanding of genetics and the epistemological features, i.e., the claim is strengthened. It is also argued that, when teaching gene function, the outlined historical models could be useful in a combined nature of science and history of science approach. Our findings also raise the question what to teach in relation to preferred learning outcomes in genetics.
Starting Page	849
Ending Page	881
Page Count	33
File Format	PDF
ISSN	09267220
Journal	Science & Education
Volume Number	16
Issue Number	7-8
e-ISSN	15731901
Language	English
Publisher	Kluwer Academic Publishers
Publisher Date	2006-12-05
Publisher Place	Dordrecht
Access Restriction	One Nation One Subscription (ONOS)
Subject Keyword	Historical models Models Gene Gene function Genetics Students’ understanding of genetics Nature of science History of science Epistemology Interdisciplinary Studies History Philosophy of Science Mathematics Education
Content Type	Text
Resource Type	Article
Subject	Education

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