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Originally Posted by emp
Actually, decades of Psychological research (the amount of effort that went into this question is unbelievable) show that intelligence is determined 50/50 between nature (genes) and nurture (how a kid is raised, environment, etc).
So yes, a high IQ couple can have a stupid kid, but genes less likely to affect it too much, because high IQ couples tend to have the means (money, job, social network) to provide a very good environment for the kid.
Stupid parents (to use the layman's term) might give birth to a genetically towards high IQ predisposed kid, but often lack the means to educate it.
::emp::
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Eh, you can find research that speculates that the inheritability of IQ is anywhere from 30% to 70%. The percentage is not as concrete as you make it out to be.
Everyone is stuck on the stupid comment. That wasn't the point, you missed the second sentence. Couples are most likely to have a 100ish IQ child than anything else.
Plus you then get into all kinds of arguments like the validity of different kinds of IQ, tabula rasa stuff, races, etc. Way too much garbage that could be spent on better things.
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Sure it does but there are always exceptions to the rule. You are infinitely less likely to have 2 x 130 IQ = retarded than 2 x 65 IQ = retarded ... but I'm not arguing to much on that as this is kind of a no-brainer ... unless your IQ is close to room temperature then your arguement might sound logical.
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If there are exceptions to the rule, then it isn't a rule to begin with. Plus see above.