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However, surprisingly, the patterns of molecular evolution in many of the genes they found did not contain signals of natural selection. Instead, their evidence suggests that a separate process known as BGC (biased gene conversion) has speeded up the rate of evolution in certain genes. This process increases the rate at which certain mutations spread through a population, regardless of whether they are beneficial or harmful.
Originally posted by InfaRedMan
Interesting albeit short article!
IMHO, natural selection on a physical scale has been somewhat diluted by societal/sociological changes in the human psyche.
For instance, a woman may choose a partner based on his income and relative financial security, or she may also find herself more attracted to a male who is sensitive and can carry a decent conversation or a partner who shares a similar world view, political leaning, morals, a love of nature, fine arts, poetry and literature for example.