Genetic drift describes random fluctuations in the numbers of gene variants in a population. Genetic drift takes place when the occurrence of variant forms of a gene, called alleles, increases and ...

In natural populations, the mechanisms of evolution do not act in isolation. This is crucially important to conservation geneticists, who grapple with the implications of these evolutionary processes ...

To the average life-science researcher, a mouse’s genetic background may be an afterthought, if even a thought, at all. A researcher’s top priorities may be to understand disease, to publish, and to ...