Genetic Basis of intelligence involves about twenty times the genes as the genes for height
The three variants the researchers identified were each responsible for an average of 0.3 points on an IQ test. (About two-thirds of the population score between 85 and 115.) That means that a person with two copies of each variant would score 1.8 points higher on an intelligence test than a person with none of them.
To put those figures in perspective, those variants have about one-twentieth the influence on intelligence as do gene variants linked to other complex traits such as height, says Daniel Benjamin, a social scientist at Cornell University in Ithaca, New York, who co-led the study.
Benjamin says that studies of more than 1 million people will be needed to find enough common gene variants to explain 15% of the variation across people in IQ scores, educational attainment and other behavioral traits.”
Physiology limits practical height
What are intelligence limits ?
Brain structure
Average human height is 70 inches and 3 inch SD (standard deviation)
8 feet 1 inch – 97 inches this is 9 Standard Deviations over average
235 IQ is the equivalent in intelligence of a 8 foot 1 inch person
Geniuses and Society
5% of population with 30 points higher intelligence might be about $14000 more GDP per capita
5% of population with 120 points higher intelligence might be about $56000 more GDP per capita
What would a society with tens of millions of Edisons, Einsteins, Steve Jobs and Elon Musks be like ?
Could we get beyond them in capability?
5% of population significantly intelligence enhanced would be possible if IVF takes off and embryo selection and genetic engineering with it over the next 10-20 years.”
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