The story of human evolution is written in our DNA , a molecular archive that chronicles millions of years of adaptation , migration, and survival. Each genetic sequence carries clues about our ancestors’ journeys across continents, the environmental pressures they faced, and the evolutionary strategies that enabled Homo sapiens to thrive in diverse and often challenging conditions. Modern genetics allows scientists to decode these sequences with unprecedented precision, revealing connections between populations that were previously invisible and reconstructing the intricate web of human ancestry with remarkable accuracy. These advances have transformed our understanding of how ancient populations dispersed, adapted, and interacted over time. By analyzing variations in the human genome , researchers can trace lineage-specific mutations, understand patterns of genetic drift, and identify regions shaped by natural selection . This knowledge not only illuminates the ev...