Intelligence: a mishmash of genetic ingredients

What makes an intelligent brain? Credit: Max Pixel

Like father like son. We have all heard it one time or another. The layman explanation to hereditary characters. Whether the cause is genetic inheritance or the effect of growing up in a certain environment, is quite something else. When talking about the origin of intelligence, there are always discussions. Even though there is undoubtedly an environmental component (socioeconomic factors, culture, language, family interactions…) it is widely acknowledged that intelligence is a strongly influenced genetic trait. Despite of having a complex inheritance pattern, since there is no single intelligence gene, a recent meta analisis on more than 78.000 personas has been useful to characterise better the genetic landscape of intelligence.

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