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Overview:
Students observe that the banding patterns seen on stained chromosomes from humans and chimpanzees show striking similarities. Possible evolutionary relationships are explored, as are the chromosomes and relationships of other apes.Author/Source:
ENSI Grade level:
13-16 Time:
One to two class periods. Teaching tips:
Students may need additional information about creating the phylogenetic tree in exercise 2.
Much of this activity would be appropriate for students to complete outside of the class setting. Concepts: - Present-day species evolved from earlier species; the relatedness of organisms is the result of common ancestry.
- Similarities among existing organisms (including morphological, developmental, and molecular similarities) reflect common ancestry and provide evidence for evolution.
Teacher background: |
