When two organisms typically do not interbreed with one another, they are considered different species. But what are the reproductive barriers that isolate one population from another? Hear the ...

Explosive amounts of data and the strains on limited financial resources have prompted corporations and governmental agencies alike to explore joint tenancy in the cloud for storing, processing and ...

If one accepts some version of the biological species concept, the central problem of speciation is the origin of isolating barriers that prevent actual or potential gene flow among populations (Coyne ...

Experiments were designed to clarify the role of olfactory stimuli in sexual isolation between the closely related and allopatric mice, Peromyscus maniculatus rufinus and P. polionotus leucocephalus.

A rare example of gene incompatibility between two species of budding yeast has been found. This discovery of elusive 'speciation' genes adds to other reproductive-isolation mechanisms operating in ...