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Those Old Kentucky Blues
An Interrupted Case Study
Celeste A. Leander
Robert J. Huskey
This interrupted case study begins with the construction of a pedigree following an initial encounter with a clan of “blue people.” After constructing a pedigree, students decide whether the condition (methemoglobinemia) is a heritable trait. Students are then exposed to a different perspective of this condition and have to re-evaluate the inheritance pattern. This case study was written for a first year honors course in general biology. It could be modified for most general science majors’ biology, genetics, biochemistry, and cell biology courses.
|Keywords:||Mendelian inheritance patterns; phenotype; incomplete dominance; pedigree; skin color; enzyme; hemoglobin; methemoglobinemia; Kentucky; Appalachian Mountains|
|Topical Area:||Scientific method|
|Educational Level:||High school, Undergraduate lower division|
|Subject Headings:||Biology (General) Biochemistry Cell Biology Genetics / Heredity|
|Copyright:||Copyright held by the National Center for Case Study Teaching in Science, University at Buffalo, State University of New York. Please see our usage guidelines, which outline our policy concerning permissible reproduction of this work.|
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