which has led to the hypothesis that population bottlenecks can lead to the evolution of new species.

Their findings shed light on an ancient bottleneck that profoundly shaped human evolution, narrowing the population to approximately 1,280 breeding individuals for 117,000 years. This severe ...

which has led to the hypothesis that population bottlenecks can lead to the evolution of new species.

Evolution’s Design Constraints The researchers suggest that evolution shaped this bottleneck. For primitive beings, survival depended on rapid reactions to environmental stimuli, like evading ...