The Figure Shown Is a Phylogeny Created with DNA Sequence

The figure shown is a phylogeny created with DNA sequence data and has high bootstrap support values. The tree also includes observed phenotypes (in varying shades of gray) for the five taxa. The character states are indicated by "B" or "b," "G" or "g," and "P" or "p." Evaluate the hypothetical phylogenetic tree using a parsimony approach. How many state changes were required for Taxon 5 ("BGP") if the inferred ancestral state was "bGP"?

A) one
B) two
C) three
D) four

Correct Answer:

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