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 ...

Sep 20, 2011
5 / 5 (4) 2 | with audio podcast

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.

Sep 13, 2011
5 / 5 (3) 8 | with audio podcast

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 ...

Jul 28, 2011
not rated yet 0 | with audio podcast

Discovering the bigger picture in chromosomes

By mapping various genomes onto an X-Y axis, a team comprised mostly of Kansas State University researchers has found that Charles Darwin and a fruit fly -- among other organisms -- have a lot in common genetically.

Jul 06, 2011
not rated yet 0 | with audio podcast

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 ...

May 23, 2011
5 / 5 (4) 0 | with audio podcast

The changing facebook of genetic

(PhysOrg.com) -- Social factors such as what we eat and where we live influence how natural selection acts on human genes, according to a research that is bringing the worlds of genetics and human sciences closer together.

Jan 19, 2010
4.7 / 5 (3) 0 | with audio podcast