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For ASPM, the variation arose about 5,800 years ago, roughly correlating with the development of written language, spread of agriculture and development of cities, he said."The genetic evolution of humans in the very recent past might in some ways be linked to the cultural evolution," he said.People will read both your profile AND message when deciding if they should wri..- helps you find the right local businesses to meet your specific needs.Salt Lake City singles chatrooms | Salt Lake City single ladies | Salt Lake City single guys Salt Lake City discreet flings | Salt Lake City dating classified ads Salt Lake City christian singles | Salt Lake City muslim personals Hi, explore new things.Description - (Minimum of 100 characters) For your own safety, do not include your name, phone number, or address."There's a sense we as humans have kind of peaked," agreed Greg Wray, director of Duke University's Center for Evolutionary Genomics."A different way to look at is it's almost impossible for evolution not to happen." Still, the findings also are controversial, because it's far from clear what effect the genetic changes had or if they arose when Lahn's "molecular clock" suggests — at roughly the same time period as some cultural achievements, including written language and the development of cities.

These factors are similar to those you might use to determine which business to select from a local Yellow Pages directory, including proximity to where you are searching, expertise in the specific services or products you need, and comprehensive business information to help evaluate a business's suitability for you.Francis Collins, director of the National Human Genome Research Institute.Aside from not knowing what the gene variants actually do, no one knows how precise the model Lahn used to date them is, Collins added.Lahn and colleagues examined two genes, named microcephalin and ASPM, that are connected to brain size.If those genes don't work, babies are born with severely small brains, called microcephaly.If you would like to start meeting people in your area (on your mobile phone or online), sign up today!Here's where you can meet singles in North Salt Lake, Utah.That the defining feature of humans — our large brains — continued to evolve as recently as 5,800 years ago, and may be doing so today, promises to surprise the average person, if not biologists."We, including scientists, have considered ourselves as sort of the pinnacle of evolution," noted lead researcher Bruce Lahn, a University of Chicago geneticist whose studies appear in Friday's edition of the journal Science.Using DNA samples from ethnically diverse populations, they identified a collection of variations in each gene that occurred with unusually high frequency.In fact, the variations were so common they couldn't be accidental mutations but instead were probably due to natural selection, where genetic changes that are favorable to a species quickly gain a foothold and begin to spread, the researchers report.

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