News tagged with genetic evolution

Epigenetic changes don't last

Jean-Baptiste Lamarck would have been delighted: geneticists no longer dismiss out of hand his belief that acquired traits can be passed on to offspring. When Darwin published his book on evolution, Lamarck's ...

dateSep 20, 2011 in Evolution
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Writing a new code for life?

On "Star Trek, the aliens often look so human that crew members fall in love with them. But in real life, scientists in the field known as astrobiology can't be sure alien life would even be carbon-based like us, or use DNA ...

dateFeb 13, 2012 in Biotechnology
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When plants go polyploid

(PhysOrg.com) -- Plant lineages with multiple copies of their genetic information face higher extinction rates than their relatives, researchers report in Science magazine.

dateSep 13, 2011 in Plants & Animals
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Speeding up evolution: Orchid epigenetics

Organisms adapt to their dynamic environment using various strategies. Ovidiu Paun, working at the Department of Systematic and Evolutionary Botany, investigates how marsh orchids adjust to and diffuse in ...

dateJul 28, 2011 in Plants & Animals
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Chromosomal 'breakpoints' linked to canine cancer

North Carolina State University researchers have uncovered evidence that evolutionary "breakpoints" on canine chromosomes are also associated with canine cancer. Mapping these "fragile" regions in dogs may also have implications ...

dateNov 03, 2011 in Biotechnology
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Robots show the evolution of altruism

Scientists in Switzerland have pieced together the puzzle on the evolution of unselfish behaviour. They simulated genetic evolution over hundreds of generations by using simple robots, providing evidence of ...

dateMay 23, 2011 in Robotics
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