In the last lab, you used the PHYLIP program to create unrooted phylogenetic trees. Why was it important to "root" the phylogenetic tree after after you created it?
A. Unrooted trees do not follow the Law of Parsimony
B. In the unrooted trees the outgroup is not connected to the rest of the tree by a common ancestor
C. In the unrooted trees the outgroup might not branch off prior to the common ancestor of the organisms under study
D. Unrooted trees are not necessary to the organisms you are trying to study
Ans: C. In the unrooted trees the outgroup might not branch off prior to the common ancestor of the organisms under study
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Fill in the blank with the appropriate word.
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Indicate whether the statement is true or false
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A. 1,000,000 B. 25,000,000 C. 50,000,000 D. Unable to determine
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What will be an ideal response?