Inferring Evolutionary Trees From Gene Frequency Data Under The Principle Of Maximum Parsimony

David L. Swofford, Stewart H Berlocher

Research output: Contribution to journalArticle

Abstract

Most workers attempting to infer evolutionary trees from polymorphic data using established parsimony procedures either have ignored frequency information entirely or have tolerated “optimal” solutions that hypothesize ancestors that cannot possibly exist in the space of the original frequencies. We describe a new method for inferring evolutionary trees from gene frequency data that avoids these limitations by enforcing biologically reasonable constraints without discarding the frequency information. The necessity of working directly with frequencies rather than reducing the data by “presence/absence” coding is argued. Our approach appears to be free of logical difficulties affecting a variety of other parsimony methods that have been applied to frequency data.

Original languageEnglish (US)
Pages (from-to)293-325
Number of pages33
JournalSystematic Zoology
Volume36
Issue number3
DOIs
StatePublished - Jan 1 1987

ASJC Scopus subject areas

  • Ecology, Evolution, Behavior and Systematics
  • Genetics

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