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Unformatted text preview: about phylogenetic relationships. polytomy Polytomies An extreme case of ignorance: a completely unresolved bush polytomy Polytomies There are three possible resolutions of this three-branched polytomy (assuming that the true tree is bifurcating) polytomy Polytomies Resolution 1: The beetle is more closely related to (fly + moth) than the wasp is polytomy * Polytomies * Resolution 1: The beetle is more closely related to (fly + moth) than the wasp is Polytomies polytomy Resolution 2: The wasp is more closely related to (fly + moth) than the beetle * Polytomies Resolution 2: The wasp is more closely related to (fly + moth) than the beetle * Polytomies polytomy What is the third possibility? Polytomies Resolution 3: Wasp and beetle are each others closest relatives Polytomies...
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- Fall '10
- Eisen
- Most recent common ancestor, Ancestor, G. Polytomies, polytomies
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