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Theories of Biological Evolution | Evolution Part 3 | Biology Class 12 | HINDI

The topic of this presentation is theories of biological evolution. First of all we will discuss Lamarckism. Lamarck discussed theory of inheritance of acquired characters in detail in his book Philosphie Zoologique. Two main points of this theory are – use and disuse of organs and inheritance of acquired characters. Use and disuse of organs […]

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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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