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. What is the minimum total number of state changes necessary to describe the observed distribution of characters in the taxa?

A) four
B) five
C) six
D) seven

Correct Answer:

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