Indigo: Below is a sequence alignment with fixed differences for species A-D. Create a pairwise genetic distance matrix, and construct a neighbor-joining tree where clades are represented by parentheses. In parentheses, always list the species alphabetically, like ( A B ) C ) D ) E ) F ).

1. Indigo: Below is a sequence alignment with fixed differences for species A-D. Create a pairwise
genetic distance matrix, and construct a neighbor-joining tree where clades are represented by
parentheses. In parentheses, always list the species alphabetically, like ( A B ) C ) D ) E ) F )