Given that mathematics represents a finely tuned series of physical events, I would say the correlation between ability to identify physical and conceptual patterns and the naturally mathematical structure of the human brain is mostly genetic. That is, early hominids were endowed with a simple type of formal differentiation ability. They HAD to learn from the classic "fire = hot = true, fire = touch = false". This series of systematic distinction was gradually improved through various cultures - the most obvious of which are the Asians.
As for
>>12 , I'd like to know the depth in which you researched this assumption. There are many more factors to the classification of intelligence than just completing coursework. Time, pattern recognition, memory, mental foresight, and many other variables play a HUMONGOUS role.