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Task Exemplar List  

 
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Hemoglobin task (Duncan, Rogat, and Yarden, 2009)
Task description: There is a protein called hemoglobin found in red blood cells that binds oxygen. It is possible that gene mutations could arise that prevents hemoglobin from binding oxygen. Explain how a mutation could cause this problem. Expected responses:
Grades 5-6: Not applicable.
Grades 7-8: Maybe a protein in the cell is changed so the cell cannot carry oxygen.
Grades 9-10: Maybe the hemoglobin protein is changed in shape, because of a mutation in a gene, so that hemoglobin cannot bind oxygen.
2235 PADI dzalles  
Muscular dystrophy task (Duncan, Rogat, and Yarden, 2009)
Task description: Some people are born with a genetic disease called muscular dystrophy. People with this disease have great difficulty in walking or exercising. Can you explain what might be causing these problems? Expected responses:
Grades 5-6: Maybe these people have muscle cells that do not work well or maybe they have fewer muscle cells.
Grades 7-8: Maybe their muscle cells do not move well because the proteins in these cells do not work well.
Grades 9-10: Maybe their muscle cells do not move well because the proteins in these cells do not work as a result of a mutation in a gene.
2234 PADI dzalles  


List of Examples:

Activity    Add'l KSAs: Affective    Add'l KSAs: Cognitive    Add'l KSAs: Executive    Add'l KSAs: Language and Symbols    Add'l KSAs: Perceptual    Add'l KSAs: Skill and Fluency    Continuous Zone    Design Pattern    Educational Standard    Evaluation Phase    Evaluation Procedure (rubric)    Materials and Presentation    Measurement Model    Narrative Structure    Observable Variable    State Benchmark    State Standards    Student Model    Student Model Variable    Task Exemplar    Task Model Variable    Task Specification    Template    Variable Features: Affective    Variable Features: Cognitive    Variable Features: Executive    Variable Features: Language and Symbols    Variable Features: Perceptual    Variable Features: Skill and Fluency    Work Product   


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