Question

multiple choice question
which phylogenetic tree - building method is more complicated and robust and begins with certain evolutionary assumptions?

• character - based
• distance - based

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Explanation:

Character-based phylogenetic tree-building methods (like maximum likelihood, Bayesian inference) start with explicit evolutionary assumptions (e.g., about mutation rates, substitution models), are more computationally complex, and produce more robust trees compared to simpler distance-based methods which rely on genetic distance matrices with fewer built-in evolutionary assumptions.

Answer:

Character-based