From memory so can be inaccurate: On average the offspring from cousins will have 7 IQ points less than their parents.
From memory so can be inaccurate: On average the offspring from cousins will have 7 IQ points less than their parents.
That is only for the first generation, how much lower for the subsequent generations is where the numbers will get interesting.
That is only for the first generation, how much lower for the subsequent generations is where the numbers will get interesting.
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