Persistence

Hi -- I'm looking for historical dating information about lactase persistence in the area between modern day Iraq and Egypt. I have plenty of information about Europe, Turkey and points north and west, Africa south and west of Egypt, and Saudi Arabia. But ...

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... the genome, including DNA insertions, deletions and rearrangements. Genetic variation is generated continuously by the mutational process, but its persistence in the genome is determined by different historical and genomic factors. ...and you said that the first contradicted the other two. As I ...

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... random chance of a copying error when DNA is replicated. The authors go on to discuss the impact of selective pressures and genetic drift on the persistence of mutations: "For any given mutation, the chance of going to fixation (replacing the wild-type in the population) is dependent on ...

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... F Wright, MRC Human Genetics Unit, Edinburgh, UK has this to say Genetic variation is generated continuously by the mutational process, but its persistence in the genome is determined by different historical and genomic factors. http://evolution.unibas.ch/teaching/evol_genetics/3_Population_Genetics/reading/Genetic_Variation_Polymorphisms_and_Mutations.pdf ...

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... get incorporated into the continents? This could not have occurred by direct oxidative weathering because that is contradicted by the persistence of detrital uraninite and pyrite in Archean sediments. Science, Kasting, Vol. 293, 3 August 2001, “The Rise of Atmospheric Oxygen”, page ...

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