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29th April 2019
03:05pm BST

More recently, researchers at the University of Ulm, Germany, studied the genes involved in the brain damage and found that many of these, especially those related to cognitive abilities, were on chromosome X. In fact, what they said was that it is no coincidence that the mental illness is 30% more common in males.
But perhaps, one of the most interesting results comes from an analysis by the Medical Research Council Social and Public Health Sciences Unit in the US. In this study, they interviewed 2,686 young people aged between 14 and 22 years over a period of several years.
The researchers took into account several factors, from the colour of the skin and education to socio-economic status, and found that the best predictor of intelligence was indeed the IQ of the mother. In fact, the ratio of young people’s intelligence varied only an average of 15 points from that of their mothers.
Not all genes
According to science, we can assume that as much as 40-60 percent of intelligence is hereditary.
But that also means that the remaining percentage depends on other factors, like environment and stimulation. A strong emotional connection to both mother and father influences both rational thinking function, intuition and emotions in children, and while the IQ you are born with is important, it is not decisive. Having parents who are emotionally present, however, is, and will greatly influence a child's development and persona.
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