A distance matrix is constructed from the multiple alignment of 4 sequences: A B C D A - 1.2 0.9 1.7 B - 1.1 1.9 C - 1.6 D - Construct a rooted tree showing the relationships between A, B, C, and D by UPGMA.
a. Phylogenetic tree
b. Dichotomous key
c. Cladogram
d. Punnett square