Case Study: Grade 7 (I) Video
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Focal Science Practices:
Related NGSS Performance Expectations: MS-LS3-2: Develop and use a model to describe why asexual reproduction results in offspring with identical genetic information and sexual reproduction results in offspring with genetic variation. Clarification Statement: Emphasis is on using models such as Punnett squares, diagrams, and simulations to describe the cause and effect relationship of gene transmission from parent(s) to offspring and resulting genetic variation. MS-LS4-5: Gather and synthesize information about the technologies that have changed the way humans influence the inheritance of desired traits in organisms. Clarification Statement: Emphasis is on synthesizing information from reliable sources about the influence of humans on genetic outcomes in artificial selection (such as genetic modification, animal husbandry, gene therapy); and, on the impacts these technologies have on society as well as the technologies leading to these scientific discoveries. Video:
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Tools
Initial Observation Form
Conference Worksheet
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This video is courtesy of the Argumentation Toolkit http://www.argumentationtoolkit.org/ that was supported by a grant from the National Science Foundation (DRL-1119584).