Biology / Bio 1811 · Atom · ~20 seconds
Maximum Parsimony
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Maximum parsimony selects the phylogenetic arrangement requiring the fewest evolutionary changes to explain observed shared traits, favoring the simplest supported explanation.
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Given two candidate trees that both fit the data, the one requiring fewer independent trait-origin events is preferred.
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Maximum parsimony selects the simplest tree consistent with the evidence — it does not guarantee that tree is historically correct.