The mass media report percentages of heritability. for various conditions. For instance autism is 90% heritable, height 80%, BMI 60%, musical aptitude 50%, depression 40%, breast cancer 30%. But these percentages are of no use to you, because they only apply to the population investigated, not in general. And they vary immensely between populations. Telling someone that their trait or illness has a specific heritability percentage is wrong.
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