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What do the bones in a bat’s wing, a whale’s flipper and a human’s arm have in common? How can similarities in the blood and immune systems help scientists determine the connection between different species?
Using safe simulated blood sera from various animals, students apply the Nutall precipitation technique to test for similarities between blood proteins and determine which species is most closely related to humans.
Includes: simulated sera samples (human, cow, chimpanzee, frog and monkey), simulated human antiserum, well trays, stirring picks, dropping pipets, glass vials, marking pen and complete
instructions featuring a teacher’s guide with answers, and a reproducible student guide with procedures and worksheets.
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