Coyote Oppossum Monkey Deer Cat Mink Rat Platypus Trait 12 Trait 3, Trait 8, Trait 10 Trait 7, Trait 6| Trait 15, Trait 13, Trait 2 Trait 14, Trait 9, Trait 5 Trait 4 Trait 1, Trait 11
Were any of your physical traits autapomorphic or synapomorphic when plotted on the gene trees? Which ones and for which species? Phylogeneticists often refer to these physical traits as “evolutionarily significant,” what do you suppose they mean by this? Were any of your physical traits analogous? Which ones? Why do you suppose some traits can occur multiple times on a tree while others don’t? Given your results from two genes and physical traits, what relationships between species are you certain of? Which ones are you uncertain of? Why? If gene trees have more information in terms of base pairs for generating phylogenies, why do you suppose phylogeneticists even bother using and including physical traits in their analyses?
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