Which of the following statements is correct about the causes of linkage disequilibrium between two loci in a sample of genotypes from a population. Selected answer will be automatically saved. For keyboard navigation, press up/down arrow keys to select an answer. b с d Two loci that are in the same gene will always be in perfect linkage disequilibrium with each other. Linkage disequilibrium is affected only by how close the two loci are on a chromosome. Linkage disequilibrium is affected by the distance between loci, the evolutionary history of the mutations that occurred at each locus, and by population structure. Linkage disequilibrium is affected only by the evolutionary history of mutations at each locus, and is unrelated to the distance between the two loci.

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Genetic Evolution

Sexual reproduction produces distinct population variations. Heredity determines the traits and qualities to be passed down to the progeny. Over time, this variation within-species is also affected by the process of human evolution. The study of how genetic variation leads to evolutionary changes is known as genetic evolution. If a trait helps an organism to survive and reproduce, it is more likely to be passed down the generations. It is rare that such traits result in a completely distinct set of traits in descendants than the ancestral population; this can result in the emergence of a new species.