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Evolutionary genetics explores how genetic variation shapes evolutionary change in populations over time. It delves into the molecular mechanisms underlying adaptation, speciation, and selection, drawing from principles of both genetics and evolutionary biology. By examining genetic differences among individuals within species, this field uncovers patterns that inform our understanding of biodiversity and the historical relationships between organisms. In the context of zoology, evolutionary genetics can shed light on the processes that generate and maintain animal diversity, contributing to a comprehensive view of the natural world.