Tajima's D: DNA Sequence, Directional Selection, Balancing Selection, Genetic Hitchhiking, Neutral Theory of Molecular Evolution, Genetic Drift, Mutation, Neutral Mutation - Tapa blanda

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Please note that the content of this book primarily consists of articles available from Wikipedia or other free sources online. Tajima''s D is a statistical test created by and named after the Japanese researcher Fumio Tajima. The purpose of the test is to distinguish between a DNA sequence evolving randomly and one evolving under a non-random process, including directional selection or balancing selection, demographic expansion or contraction, genetic hitchhiking, or introgression. A randomly evolving DNA sequence contains mutations with no effect on the fitness and survival of an organism. The randomly evolving mutations are called neutral", while mutations under selection are "non-neutral". For example, you would expect to find that a mutation which causes prenatal death or severe disease to be under selection."