Scientists at the University of Edinburgh discovered how intelligence originated, after they identified the genetic accident which happened 500 million years ago. This genetic accident allowed the human species to think and reason; and thus they evolved. The scientists discovered how humans as well as various mammals evolved in terms of intelligence.
Scientists found out that human intelligence developed because of a rise in the number of genes in brain in the evolutionary ancestors. Scientists additionally also believed that these genes which help in improvisation of the mental capability are also in turn responsible for the brain disorders that might occur in the humans.
Scientists explained that a plain invertebrate animal that lived in sea around 500 million years ago experienced this genetic accident which produced extra copies of the genes being developed. The offspring of these animals benefited in turn from the extra genes which led to sophisticated vertebrates in terms of behaviour, including the humans.
Human Intelligence Associated With Genetic Accident: Researchers
Science & Technology Current Affairs December 2012. Scientists at the University of Edinburgh discovered how intelligence originated, after they identified the genetic accident which happened 500 million years ago
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