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90 results for “genetic drift”
Data from: Translational selection frequently overcomes genetic drift in shaping synonymous codon usage patterns in vertebrates
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Data from: The effects of drift and selection on latitudinal genetic variation
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Data from: Sex chromosome turnovers and genetic drift: a simulation study
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Data from: Establishment and maintenance of adaptive genetic divergence under migration, selection, and drift
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Data from: Disentangling the roles of natural selection and genetic drift in shaping variation at MHC immunity genes
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Data from: Genetic drift and rapid evolution of viviparity in insular fire salamanders (Salamandra salamandra)
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Data from: Genetic drift outweighs natural selection at toll-like receptor (TLR) immunity loci in a reintroduced population of a threatened species
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Data from: Fixation of mutators in asexual populations: the role of genetic drift and epistasis
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Data from: Genetic drift and collective dispersal can result in chaotic genetic patchiness
Chaotic genetic patchiness denotes unexpected patterns of genetic differentiation that are observed at a fine scale and are not stable in time. These patterns have been described in marine species with free-living larvae, but are unexpected because they occur at a scale below the dispersal range of pelagic larvae. At the scale where most larvae are immigrants, theory predicts spatially homogeneous, temporally stable genetic variation. Empirical studies have suggested that genetic drift interacts with complex dispersal patterns to create chaotic genetic patchiness. Here we use a coancestry model and individual-based simulations to test this idea. We found that chaotic genetic patterns (qualified by global FST and spatio-temporal variation in FST's between pairs of samples) arise from the combined effects of (1) genetic drift created by the small local effective population sizes of the sessile phase and variance in contribution among breeding groups and (2) collective dispersal of related individuals in the larval phase. Simulations show that patchiness levels qualitatively comparable to empirical results can be produced by a combination of strong variance in reproductive success and mild collective dispersal. These results call for empirical studies of the effective number of breeders producing larval cohorts, and population genetics at the larval stage.
Data from: Genetic drift and collective dispersal can result in chaotic genetic patchiness
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Allen Brain Atlas
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DANDI Archive for NWB datasets
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International Brain Laboratory public data
The International Brain Laboratory public data releases expose standardized mouse decision-making experiments, including Neuropixels recordings, widefield calcium imaging, behavior, and session metadata accessed through the ONE API.
OpenNeuro
OpenNeuro is a free, open platform for sharing neuroimaging datasets, with public search, dataset pages, and download paths for web, S3, DataLad, and the OpenNeuro CLI.