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Full-Text Articles in Physical Sciences and Mathematics
Genealogical Vs Phylogenetic Mutation Rates: Answering A Challenge, Robert Carter
Genealogical Vs Phylogenetic Mutation Rates: Answering A Challenge, Robert Carter
Proceedings of the International Conference on Creationism
There is a discrepancy between the mutation rate we can measure today and the rate at which evolution is supposed to have proceeded. The former is sometimes called the genealogical mutation rate, for it is obtained by comparing individuals whom we know to be related. The latter is sometimes called the phylogenetic mutation rate. It is calculated by counting the fixed differences between two species and dividing by the estimated time since their common ancestor. Genealogical mutation rates are generally several orders of magnitude faster than phylogenetic estimates. This causes problems for the evolutionary model. For example, using the genealogical …
Alfred Russel Wallace Notes 25. Wallace And The 'Physical Environment'., Charles H. Smith
Alfred Russel Wallace Notes 25. Wallace And The 'Physical Environment'., Charles H. Smith
Faculty/Staff Personal Papers
Alfred Russel Wallace’s natural selection essay of 1858 has been held to frame a greater role for the physical environment in forcing selection regimes than we find in Darwin’s writings, but here that verdict is challenged by a re-examination of both the essay itself, and period usage of the term ‘physical.’