12Practset2answers - Does gene tree show the same topology...

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Practice question #1 2 4 1 3 2 2 5.25 6.3 3.25 1.05 1 3 2 4 Favoured maximum parsimony tree: UPGMA tree: Practice question #2 H C/PC G O Gi 2 2 2.5 3.65 5.25 0.5 1.15 1.35
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Practice question #3 Bargelloni PNAS 95:8670, 1998 “Are red blood cells really necessary? ... a fish species that lives without them” photo/ Do the 2 trees show the same topology? Species tree Gene tree (using hemoglobin sequences) Implications of differences in branch lengths on gene tree? Long branches: reduced functional constraint? or evolving new function (adaptive evolution)?
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