A new study has revealed that children get their intelligence from their mothers rather than their fathers, The Independent reports. This is for two reasons.
Firstly, intelligence genes are carried on the X chromosome – of which women have two and men have only one – meaning that women are more likely to transmit intelligence onto their offspring than men are.
In addition to this, scientists have discovered that these genes for advanced cognitive function may be automatically deactivated if they are inherited from the father.
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This research was initially conducted with mice and the team then undertook a study where they interviewed over 12,000 youngsters every year since 1994. They analysed a number of other factors that could have contributed to it, but concluded that the best predictor of intelligence was the IQ of the child’s mother.
However, it is also important to remember that it is only 40–60 per cent of intelligence that is determined by genes, leaving the rest dependent on the environment.
From: Harper’s BAZAAR UK