“Insular groups that partner within the group will naturally see offspring with enhanced features, such as IQ.”
I’m not following this. You’re saying inbreeding raises IQ?
“I’m not following this. You’re saying inbreeding raises IQ?”
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IQ is a result, generally, of a genetically physical trait.
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When tall people have kids with tall people, their kids tend to be tall.
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Genetics is uncertain, but it does tend to indicate, but not dictate, the results of offspring.
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nature vs. nurture
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I happen to think that nurture or upbringing is more important because that is what results in character and personality.
One last point, there is a difference between inbreeding, that is offspring produced from within known family, and the close-breeding that often occurs in insular groups.
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While Ashenazi Jews may benefit from genetic closeness, in IQ, they also suffer from a group of rare disorders that occur more often in them. Even though most of these diseases are severe and can cause early death, some can be treated to reduce symptoms and prolong life.
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https://www.uofmhealth.org/health-library/tv7879