what-is-the-first-step-in-constructing-a-phylogenetic-tree-using-genetic-data

Question

What is the first step in constructing a phylogenetic tree using genetic data?

Accepted Answer

Identify common genetic sequences among the species in question.

Answer

Classify species based on their physical characteristics.

Answer

List all known common names for the species.

Answer

Determine the ecological roles of the species.