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Journal of Phylogenetics & Evolutionary Biology

ISSN: 2329-9002

Open Access

Chioma Ossai


Tanzania

Publications
  • Mini Review Article
    Finding A Final Common Path For The Gene Trees And Species Trees Congruence
    Author(s): Tomilowo Abijo, Chioma Ossai, Oluwaferanmi Bello and Olusayo Louise-OluwasanmiTomilowo Abijo, Chioma Ossai, Oluwaferanmi Bello and Olusayo Louise-Oluwasanmi

    It is generally believed that since the traits and characteristics exhibited by most organisms are a result of their genetic composition, then all gene trees must be the same as the containing species tree. While both trees appear to present dissimilar results or topologies, even between closely related species, the question most phylogeneticists have been asking is what could be responsible for the lack of congruence between them. Past and recent studies have shown that gene duplication, horizontal transfer and incomplete lineage and/or deep coalescence are factors that play a major role in topological disparity. All these factors can be linked to the fluid nature of genes. To address this issue, phylogeneticists have resorted to building models that can account for gene duplication, horizontal transfer, and incomplete lineage sorting. However, as good as some of these models are, re.. Read More»

    Abstract PDF

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