What approximate percentage of variance in a population's IQ score is attributed to genetic factors?

Name: What approximate percentage of variance in a population's IQ score is attributed to genetic factors?
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The most commonly cited estimate is that around 50-60% of variance in IQ scores is attributed to genetic factors. However, it's important to note that this does not mean that IQ is solely determined by genes, as environmental factors also play a significant role.

What Approximate Percentage of Variance in a Population's IQ Score