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by gwern
4012 days ago
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> but the heritability (in the technical sense) of being a slave in the mid 1800's USA was rather high. No, it wouldn't be. Monozygotic black twins would have the exact same chance as dizygotic black twins of being slaves, and slavery would cluster in families, with whole families tending to be free or slave, leading to very high shared/nonshared environment estimates. |
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