Species I Species II Species III Species IV Ancestral sequen

Species I Species II Species III Species IV Ancestral sequence IV Site 2 3 4 C G A T C T T C A T A C A G T T IV IV

Solution

Phylogenetic tree also called evolutionary tree is a branched chain diagram that indicates evolutionary relationship among various species and groups of organisms. Phylogenetic trees represent the hypothetical evolution.

The most parsimonious phylogenetic tree is E