News tagged with genetic evolution

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 ...

Nov 03, 2011
not rated yet 0 | with audio podcast

Shared genes with Neanderthal relatives not unusual

During human evolution our ancestors mated with Neanderthals, but also with other related hominids. In this week's online edition of PNAS (Proceedings of the National Academy of Sciences), researchers from Uppsala Univer ...

Oct 31, 2011
4.5 / 5 (12) 8 | with audio podcast

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