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Practical Importance of Human Evolution – Population Genetics & Phylogenetics – Race & Evolution

>>Cecil Lewis: Given the overall pattern of human genetic diversity, what does this tell us about biological concepts of race? Now race is an ambiguous, often culturally burdensome term. If we are to talk about the concept of race, we need to be clear exactly what we mean by that. One fair genetic definition of […]

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Oldest Human DNA Leads To More Questions Than Answers

The discovery of a bone representing humanity’s oldest known relative is something that should have scientists patting themselves on the back, but it’s also got them scratching their heads. Researchers discovered the ancient humanoid remains in a cave — known as the “Sima de Los Huesos” or “Pit of Bones” — in Spain. (Via Madrid […]

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Practical Importance of Human Evolution – Population Genetics & Phylogenetics – Human Variation

>>Now humans have a very interesting pattern of genetic diversity globally. Whether from mitochondrial DNA, sex chromosomes, or autosomes, we find three persistent patterns that hold true for nearly every area of the genome. One pattern is that overall the amount of genetic diversity for humans is much smaller than you’d expect with a species […]

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Practical Importance of Human Evolution – Genetics, Phylogenetics & Health – Natural Selection

>>Previously, we noted how statistical tests of natural selection were able to support the idea that high infant mortality in the Andes is being caused by high levels of arsenic. This statistical test demonstrated that the gene variant that metabolizes arsenic was in such a high frequency that it could not be explained by drift […]

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Biology,Lec-1,Genetics Introduction(Genetics & Evolution),Class 12 XII |Science For You

Inside we’ll talk about gene alleles and the gene pool Earlier this topic should be the idea that this is a topic about what? Inside This One Is Variation And Other Is Genetics Variations Means Change Second Is Gentics genetics is about genes study of genes is called genetics Genes,As You Know Are Part Of […]

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Practical Importance of Human Evolution – Phylogenetics: Model Organisms – Species & Adaptation

>>In the earlier lectures we showed how evolution within species using population genetics really has a lot of practical importance. For example, by its very definition these studies of natural selection are studies of reproductive health. But what about the practical importance of evolutionary studies between species? As a one-credit course, I wanted to keep […]

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