Archived Galapagos study finds that new species can develop in as little as two generations (phys.org)
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Archived Galapagos study finds that new species can develop in as little as two generations (phys.org)
submitted ago by killer7
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[–] NeoGoat ago
www.radiolab.org/story/91696-new-nice
Says domestication, the genetic changing so that animals are less violent can take place in 10 generations. They mention research that attributes domestication to fewer embryonic cells that form adrenal glans, which provide fight or flight response. The same cells form bone and cartilage, so as domestication occurs, the animals have weaker bones and floppy ears. It is also associated with looking more child-like appearance. They even touch on talking about differences in humans, that humans would domesticate themselves by living in communities where aggression would be punished and close bonds with friends would be more important than brute strength for survival/child rearing.