My main thing here is that, even though sometimes there’s mysterious genetic drift, it’s more common that family traits get passed down – and the little genetic switches can turn on and off at any generation down the line, even far removed, once it’s in there.

My main thing here is that, even though sometimes there’s mysterious genetic drift, it’s more common that family traits get passed down – and the little genetic switches can turn on and off at any generation down the line, even far removed, once it’s in there.

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