Molecular dating anthropology

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One protein-sequence inquiry into large-bodied hominoid relation- ships focused on myoglobin Romero-Herrera et al. Most result from mistakes when DNA copies itself during cell division, although other types of mutations occur spontaneously or from exposure to hazards like radiation and chemicals. Groves C. On the origin of smallpox: When choosing the secondary calibration, it is also advisable to consult studies with multiple, justified paleontological or otherwise constraints, and to apply methodologies that account for rate variation and uncertainty in prior age. While some sampling dates are known with precision e.

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This refers not only to choice of calibration type, but also to the taxonomic group under study, for which the availability of different calibration types will vary.

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Molecular anthropology

As a result, mtDNA does not have pitfalls of autosomal loci when studied in interbreeding groups. Introduction Divergence dates estimated from molecular phylogenies provide critical information on the timing of historical evolutionary events, including the temporal origins of clades. Spencer F. Did pigs and peccaries reduce it? Unlike substitution rates applied across the phylogenetic tree, calibrations associated with heterochronous data are assigned to tips of the tree only, represented by molecular sequences with known sampling dates. Stoneking M. Expert Database Find experts with knowledge in:

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