Relationships between gene trees and species trees.

  title={Relationships between gene trees and species trees.},
  author={Pekka Pamilo and Masatoshi Nei},
  journal={Molecular biology and evolution},
  volume={5 5},
It is well known that a phylogenetic tree (gene tree) constructed from DNA sequences for a genetic locus does not necessarily agree with the tree that represents the actual evolutionary pathway of the species involved (species tree). One of the important factors that cause this difference is genetic polymorphism in the ancestral species. Under the assumption of neutral mutations, this problem can be studied by evaluating the probability (P) that a gene tree has the same topology as that of the… CONTINUE READING
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