Today i learned that Intelligence is heritable and it was a gut punch knowing my parents.
Can anyone clue me in on how it’s expressed or is it a soft cap?
Are highly hifted children anomalies or is it just a good expression of genes?
In: Biology
Not ***exactly*** answering your question here but I wanted to draw your attention to something.
In genetics and evolutionary biology, heritability has a bit different definition than the one we use in normal conversations.
Heritability is the estimate of the portion of ***variance*** observed for the trait (called phenotypical variance) in a ***given population*** that is explained by the variance of the genotypes in this population (called genotypical variance) as opposed to the environmental variance.
So, for exemple, something with a very strong genetic determination may very well have close to none heritability simply because there is close to no genetic variation in the population to begin with (like the number of fingers we are born with.
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