Genetic divergence and adaptive variation constitute the foundation of evolutionary change in natural populations. Divergence arises when populations accumulate distinct allele frequencies through ...
For well over a century, Darwin’s theory of natural selection has served as biology’s grand unifying framework, explaining how species adapt and evolve through the differential replication of randomly ...
A massive study of ancient DNA from nearly 16,000 people across more than 10,000 years in West Eurasia reveals that natural selection has shaped modern human genomes far more than previously thought.
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