Scientists from Imperial College believe that intelligence may be influenced by two networks of genes,possibly controlled by a master regulatory systemBritish scientists believe they have made a enormous step forward in the understanding of the mechanisms of human intelligence. That genetic inheritance must play some share has never been disputed. Despite occasional claims later dismissed, no-one has yet produced a single gene that controls intelligence.
But Michael Johnson of Imperial College London, and a consultant neurologist and colleagues report in Nature Neuroscience that they may have discovered a very different answer: two networks of genes,perhaps controlled by some master regulatory system, lie behind the human gift for lateral thinking, and mental arithmetic,pub quizzes, strategic planning, or cryptic crosswords and the ability to laugh at limericks.
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Source: theguardian.com