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  1. Do Molecular Clocks Run at All? A Critique of Molecular Systematics.Jeffrey H. Schwartz & Bruno Maresca - 2006 - Biological Theory 1 (4):357-371.
    Although molecular systematists may use the terminology of cladism, claiming that the reconstruction of phylogenetic relationships is based on shared derived states , the latter is not the case. Rather, molecular systematics is based on the assumption, first clearly articulated by Zuckerkandl and Pauling , that degree of overall similarity reflects degree of relatedness. This assumption derives from interpreting molecular similarity between taxa in the context of a Darwinian model of continual and gradual change. Review of the history of molecular (...)
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  • Thomas Hunt Morgan and the invisible gene: the right tool for the job.Giulia Frezza & Mauro Capocci - 2018 - History and Philosophy of the Life Sciences 40 (2):31.
    The paper analyzes the early theory building process of Thomas Hunt Morgan from the 1910s to the 1930s and the introduction of the invisible gene as a main explanatory unit of heredity. Morgan’s work marks the transition between two different styles of thought. In the early 1900s, he shifted from an embryological study of the development of the organism to a study of the mechanism of genetic inheritance and gene action. According to his contemporaries as well as to historiography, Morgan (...)
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