Blogging the Human Genome

The study?s scientists pored over the noncoding DNA of various ethnic groups in Africa, looking for funny patterns. For instance, they looked for random mutations that no other ethnic groups worldwide had. They were especially keen on finding long stretches of such funny DNA, because these stretches were probably inherited en masse from an archaic hominid. Sure enough, regions on chromosome 18, among other places, fit the bill. The study concluded that, about 35,000 years ago, some central Africans had children with an unnamed and now-extinct race of hominids. Like Europeans and Asians before them, these people couldn?t resist the temptations of nonhuman lovers.

Source: http://feeds.slate.com/click.phdo?i=2c75e6049fc071b0502f12cd68708f9d

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