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Problem Set 1 - 4 This is not an example of natural...

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Jeremy Hansen Problem Set #1 1a) A vestigial trait is a homologous trait in a species that serves no purpose. 1b) The GULO gene found in mice and humans is both homologous, and vestigial. In the human it is a vestigial trait because we now longer have the ability to synthesize vitamin C. When looking at mice it is just homologous.
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Unformatted text preview: 4) This is not an example of natural selection because the disease kills both small and large frogs, thus acting on something that did not have to do with the size of the frogs, but probably just the immune system....
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