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Children Inherit Intelligence From Their Mothers, Researchers Claim.

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“I inherited that from my mother,” will henceforth stand as a verified answer if someone, somehow asked why you’re so smart. Researchers say they have proof that a mothers’s genetics determines how smart her kids can be.

The argument also adds that a man makes very little or no contributions in a child’s IQ formation, and there’s a reason for this assertion.

If you’re one of those geniuses out there, better prepare how you’d like to express gratitude to your mom who made it possible. Still don’t get it?

Intelligence genes are located on chromosome X and since all women are proven to carry two, that means children are twice as likely to get their intelligence from mom.

In addition to the claims arising from this fact that women have two of those genes while men only have one, researchers say they “believe genes for advanced cognitive functions which are inherited from the father may be automatically deactivated” and thereby rendered irrelevant during a child’s IQ formation.

According to Psychology Spot, at the basis of this idea are found what are known as “conditioned genes”, that behave differently depending on their origin.

Basically, these genes have a kind of biochemical tag which allows their origin to be traced and even reveals if they are active or not within the descendant cells. Interestingly, some of these conditioned genes work only if they come from the mother.

If that same gene is inherited from the father, it is deactivated.

Obviously, other genes work the opposite and are activated only if they come from the father.

During laboratory testings aimed at proving this argument on IQ source for humans, researchers used genetically modified mice.

Results proved that those mice with an extra dose of maternal genes significantly developed bigger heads and brains, but had little bodies. Meanwhile, those with an extra dose of paternal genes had very small brains and larger bodies.

 

This is where the other argument comes in. Why must researchers compare humans to mice in every kind of lab testing? And how does having big or small brains make someone intelligent?

The Independent reported that researchers in Glasgow considered a more human approach in solving the riddle.

According to the report, researchers had to conduct a survey on a total of 12,686 young people between the ages of 14 and 22 every year from 1994.

During the interview aimed at finding the right source of a child’s intelligence, factors ranging from age, race, socio-economic status and education were all considered.

However, results proved that the best predictor of intelligence was the mother’s IQ.

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