. A critique of the theory of evolution. Evolution. 68 THEORY OF EVOLUTION to recessive characters. The next one is dominant. A single male appeared with a narrow verti- cal red bar (fig. 31) instead of the broad red oval eye. Bred to wild females the new char- acter was found to dominate, at least to the extent that the eyes of all its offspring were narrower than the normal eye, althongh not so narrow as the eye of the pure stock. Around. Fig. 32. Mutant race of fruit fly, called speck. There is a minute black speck at l)ase of wing. the l)ar tliere is a wide border that cor- responds to the
. A critique of the theory of evolution. Evolution. 68 THEORY OF EVOLUTION to recessive characters. The next one is dominant. A single male appeared with a narrow verti- cal red bar (fig. 31) instead of the broad red oval eye. Bred to wild females the new char- acter was found to dominate, at least to the extent that the eyes of all its offspring were narrower than the normal eye, althongh not so narrow as the eye of the pure stock. Around. Fig. 32. Mutant race of fruit fly, called speck. There is a minute black speck at l)ase of wing. the l)ar tliere is a wide border that cor- responds to the region occupied by the rest of the eye of the wild fly. It lacks however the elements of tlie eye. It is therefore to be looked ujion as a rudimentary organ, which is. so to sj^eak, a by-product of the dominant 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-; Princeton University. Louis Clark Vanuxem Foundation. Princeton University Press; [etc. ]
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Keywords: ., bookcentury1900, bookdecade1910, booksubjectevoluti, bookyear1916
