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A comment on Ask HN: What's the next big thing that few people are talking about?. Parent comment

Re:Ask HN: What's the next big thing that few people are tal... by ChadNauseam on Monday August 08, 2022 @04:40PM (#32390728)
No one denies that there are also environmental factors, lead is one very well-studied example.
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Re:Ask HN: What's the next big thing that few people are tal... by tptacek on Monday August 08, 2022 @05:59PM (#32391644)
The issue is the misuse of the term "heritable" to mean "genetically determined". Toe count is genetically determined; virtually all people are coded for 10 toes. But they have very low heritability: variance in toes is environmental. Conversely: dress-wearing isn't at all genetically determined; anyone can put a dress on. But dress-wearing is highly heritable: the variance is (almost) entirely due to genetic differences.
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