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The Tree in the Figure Shows the States of Two

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The tree in the figure shows the states of two characters; in the left column the trait is either A or B, and in the right column it is either R or S. This tree currently has several unresolved polytomies. Based on the data in this figure, draw a tree that resolves two of the polytomies and explain how the data support these relationships. The tree in the figure shows the states of two characters; in the left column the trait is either A or B, and in the right column it is either R or S. This tree currently has several unresolved polytomies. Based on the data in this figure, draw a tree that resolves two of the polytomies and explain how the data support these relationships.


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