In this scenario, the deleterious allele will remain at an intermediate equilibrium frequency that reflects the balance between gene flow and natural selection. The common conception of evolution ...

A chromosome glitch in beetleweed reveals how genome doubling can drive rapid plant evolution and create new species in real ...

Genetics is the study of how heritable traits ... scars' on the genome can be passed down by grandmothers, study finds Evolution itself can evolve, new study argues 'Mystery population' of human ...

For over a thousand years, the story of human evolution was simple: Homo sapiens developed in Africa between 200,000 and ...

The spread of the new gene, described in January by Bing Su of the Chinese Academy of Sciences, is just one instance of recent human evolution and ... was not much gene flow between them.

Those infected cells flow through the spleen, which culls them out because of their sickle shape -- and the parasite is eliminated along with them. Scientists believe the sickle cell gene appeared ...