Animal genetics

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Are humans changing animal genetic diversity worldwide? Genetic Diversity, Human Population, Population Density, Genetic Variation, Tree Day, Mcgill University, Environmental Change, Archaeology News, Fish Species

Human population density and land use is causing changes in animal genetic diversity, according to researchers at McGill University. The loss of genetic diversity will hinder the ability of plant and animal populations to adapt to changing environments [Credit: McGill University] The findings reported in the journal Ecology Letters, show that environmental changes caused by humans are leading to changes in genetic variation in thousands of species of birds, fish, insects, and mammals. The…

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Molecular Genetics, Human Population, Population Growth, Sheep Breeds, Scientific Diagram, We Shed, Gene Expression, Shed Light, The Sheep

Background After domestication, the evolution of phenotypically-varied sheep breeds has generated rich biodiversity. This wide phenotypic variation arises as a result of hidden genomic changes that range from a single nucleotide to several thousands of nucleotides. Thus, it is of interest and significance to reveal and understand the genomic changes underlying the phenotypic variation of sheep breeds in order to drive selection towards economically important traits. Review Various traits…

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