News tagged with common ancestor
Related topics: genome
We are all mutants: Measurement of mutation rate in humans by direct sequencing
An international team of 16 scientists today reports the first direct measurement of the general rate of genetic mutation at individual DNA letters in humans. The team sequenced the same piece of DNA - 10,000,000 or so letters ...
Aug 27, 2009 |
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Scientists find a common link of bird flocks, breast milk and trust
What do flocks of birds have in common with trust, monogamy, and even breast milk? According to a new report in the journal Science, they are regulated by virtually identical neurochemicals in the brain, known ...
Aug 13, 2009 |
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Surprising new insights into the repair strategies of DNA
(Physorg.com) -- A microscopic single-celled organism, adapted to survive in some of the harshest environments on earth, could help scientists gain a better understanding of how cancer cells behave.
Jul 15, 2009 |
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Ancestors of African Pygmies and neighboring farmers separated around 60,000 years ago
All African Pygmies, inhabiting a large territory extending west-to-east along Central Africa, descend from a unique population who lived around 20,000 years ago, according to an international study led by researchers at ...
Apr 10, 2009 |
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Culture skews human evolution
(PhysOrg.com) -- The rise of agriculture 10,000 years ago meant the end of the hunter-gatherer lifestyle for which human beings had been optimized by millions of years of evolution and the beginning of an ...
Mar 12, 2009 |
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A dead gene comes back to life in humans
(PhysOrg.com) -- Researchers have discovered that a long-defunct gene was resurrected during the course of human evolution. This is believed to be the first evidence of a doomed gene - infection-fighting human ...
Mar 06, 2009 |
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Did increased gene duplication set the stage for human evolution?
(PhysOrg.com) -- Roughly 10 million years ago, a major genetic change occurred in a common ancestor of gorillas, chimpanzees, and humans. Segments of DNA in its genome began to form duplicate copies at a greater ...
Biology /
Feb 11, 2009 |
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Hope for a rabies eradication strategy in Africa
Most of the rabies virus circulating in dogs in western and central Africa comes from a common ancestor introduced to the continent around 200 years ago, probably by European colonialists. In the current issue of Journal of ...
Biology /
Jan 21, 2009 |
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