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The Language of the GenesThere was little migration and the Indians had no option but to marry their relatives. This pattern persisted in much of the West until a few years ago and still holds in many parts of the world. In most places it is changing. An increase in mating outside the group is the most dramatic shift in the developed world's demographic history. The effect has become stronger and stronger and will have more effect on geneti-cal health than anything medicine is able to do. It will also slow the rate of evolutionary advance. A few societies once encouraged matings with outsiders. In the Ottoman Empire, talented people were produced by promoting marriages between people from different nations. Their children were seen as 'the fruit of the union of two different species of tree; large and filled with liquid, like a princely pearl1. In South America after the arrival of the Spaniards there was what the invaders described as 'the conquest of the women'. Paraguay — the site of Elisabeth Nietszche's failed genetical experiment — was known as the Paradise of Mohammed, and every Spaniard had twenty or thirty Indian women ...» |
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