Which of the following statements regarding rooted trees is (are)true?
A)A maximum parsimony approach distinguishes among multiple alternative roots that correspond to the same unrooted tree.
B)Any two rooted trees corresponding to the same unrooted tree will require the same number of character changes.
C)The most common approach to rooting a tree is to use an outgroup.
D)A and B
E)B and C

Question

Quizplus · Accepted Answer

The most common approach to rooting a tree is to use an outgroup (C). Any two rooted trees corresponding to the same unrooted tree will require the same number of character changes (B).

Which of the Following Statements Regarding Rooted Trees Is (Are)true