Shifting ditypic site analysis: Heuristics for expanding the phylogenetic range of nucleotide sequences in Sankoff analyses


We describe and illustrate a simple heuristic approach to the Sankoff methods for construction of parsimonious evolutionary trees from nucleotide sequence data. The procedure is intended to permit more valid inferences, particularly from relatively short sequences, concerning relationships among taxa separated for long time intervals. The procedure is based… (More)
DOI: 10.1007/BF02603080

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