Humans were isolated in southern Africa for about 100,000 years, which caused them to "fall outside the range of genetic variation" seen in modern-day people, a new genetic study reveals. The finding ...

1 The extinction vortex, is genetic variation related to extinction?; 2 How to measure genetic variation; 3 Inbreeding, geographic subdivision, and gene flow; 4 Genetic diversity in changing ...

Charles Darwin's theory of evolution generated scientific debate and discussion not only in Darwin's own time, but for decades afterward. In the latter part of the nineteenth century and the until the ...

Historic population bottlenecks left cheetahs genetically similar, increasing disease risk and threatening long-term survival ...

Researchers at the University of Maine are theorizing that human beings may be in the midst of a major evolutionary shift—driven not by genes, but by culture. "Human evolution seems to be changing ...

Woodrats weigh less than half a pound but can survive venomous rattlesnake bites that would hospitalize, or even kill, a full ...

Quotient's Somatic Genomics platform reveals new approaches to treat disease based on the vast genetic variation present in the body's trillions of cells Company emerges from stealth after two years ...

Rather than leading to the disappearance of males, Y chromosome decline could trigger new sex determining systems . Similar shifts have already occurred in other mammals. The article suggests that ...

In a first-of-its-kind experiment tracing evolution across 25 generations, scientists have discovered that marine copepods—the tiny crustaceans at the heart of the ocean food web—rely on a largely ...