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Hereditary Traits, and Other Essays (Classic Reprint)

Proctor, Richard Anthony
Hereditary Traits, and Other Essays (Classic Reprint)
Excerpt from Hereditary Traits, and Other Essays Hare - lip, albinism, halting and other peculiarities commonly reappear for four or five generations, and are seldom altogether eradicated in less than ten or twelve. The tendency to variation shown in the introduction of these peculiar ities, even though they may have been eventually eradicated, is worth noticing in its bearing on our views respecting the formation of new and persistent varie...

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