. A critique of the theory of evolution. Evolution; Evolution. 10 THEORY OF EVOLUTION ity. This conclusion is not necessarily correct. Let me give some examples that have come under my own observation. We have bred for five years the wild fruit fly Drosophila ampelo- phila (fig. 4) and we have found over a hun-. Fig. i. Drosophila ampelophila. a, Female and b, male. dred and twenty-five new types that breed true. Each has arisen independently and suddenly. Every part of the body has been affected by one or another of these mutations. For in- stance many different kinds of changes have. Please
. A critique of the theory of evolution. Evolution; Evolution. 10 THEORY OF EVOLUTION ity. This conclusion is not necessarily correct. Let me give some examples that have come under my own observation. We have bred for five years the wild fruit fly Drosophila ampelo- phila (fig. 4) and we have found over a hun-. Fig. i. Drosophila ampelophila. a, Female and b, male. dred and twenty-five new types that breed true. Each has arisen independently and suddenly. Every part of the body has been affected by one or another of these mutations. For in- stance many different kinds of changes have. Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and appearance of these illustrations may not perfectly resemble the original Morgan, Thomas Hunt, 1866-1945; Louis Clark Vanuxem Foundation. Princeton, Princeton University Press
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