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Lesson summary for:
Evo in the news: Evolutionary evidence takes the stand

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Overview:
This news brief, from January of 2007, describes the role of phylogenetic evidence in a Libyan court case. Six medical workers have been convicted of injecting children with HIV-tainted blood - but the evolutionary history of the virus paints a different picture.

Author/Source:
UC Museum of Paleontology

Grade level:
9-12

Time:
20 minutes

Teaching tips:
This article includes a set of discussion and extension questions for use in class. It also includes hints about related lessons that might be used in conjunction with this one. Get more tips for using Evo in the News articles in your classroom.

Concepts:
Correspondence to the Next Generation Science Standards is indicated in parentheses after each relevant concept. See our conceptual framework for details.

  • An organismís features reflect its evolutionary history.

  • Scientists test their ideas using multiple lines of evidence. (P6, NOS2)

  • Scientists use the similarity of DNA nucleotide sequences to infer the relatedness of taxa. (LS4.A)

  • Evolutionary trees (i.e., phylogenies or cladograms) are built from multiple lines of evidence.

  • As with other scientific disciplines, evolutionary biology has applications that factor into everyday life.

  • Evolutionary trees (i.e., phylogenies or cladograms) portray hypotheses about evolutionary relationships.

Teacher background:

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