Word: speciationã
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...chromosome shared by humans and chimps is about 1.2 million years more recent than any other chromosome, Reich added. When humans and chimpanzees diverged into distinct evolutionary branches, the two species hardly had the cleanest of break-ups. So far, scientists have believed that “speciation?? occurs when an isolation barrier such as a geographic impediment divides a population and mating stops, Reich said. However, that theory is not applicable to the drawn-out separation of humans and chimps discovered by the researchers, according to Reich. Reich said he hopes to conduct further research looking into...
...second criterion, variation, is all too plain to see in this set of religion memes. We have innumerable belief systems tailor-made for the wide-ranging habitats of human minds. We can even point to major “speciation?? events such as the Reformation where a major mutation in one strain of meme (Catholicism) leads to a flowering of variation and variety of different memetic strains (Protestantism in all its divergent glory...
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