If a trait like intelligence has a heritability estimate of 0.86 it would indicate that there is a weak genetic influence on intelligence and that environment is far more important.

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A heritability estimate of 0.86 for intelligence would indicate that there is a strong genetic influence on intelligence, and that genes contribute significantly more to individual differences in intelligence than the environment.

If a Trait Like Intelligence Has a Heritability Estimate of 0.86