. A critique of the theory of evolution. Evolution. THEORY OF K^'()LUTION 69 The preceding cases have all involved rather great changes in some one organ of the body. The following three cases involve slight changes, and yet follow the same laws of inlieri- tance as do the larger changes. At the base of the wings a minute black speck appeared (tig. 32). It was found to be a JMendelian character. In another case the spines on the thorax became foi'ked or kinkj'. Fig. li;?. Mutant race of fruit fly called clul). The wings often remain unexpanded and two liristles present in wild fly (b) are abse
. A critique of the theory of evolution. Evolution. THEORY OF K^'()LUTION 69 The preceding cases have all involved rather great changes in some one organ of the body. The following three cases involve slight changes, and yet follow the same laws of inlieri- tance as do the larger changes. At the base of the wings a minute black speck appeared (tig. 32). It was found to be a JMendelian character. In another case the spines on the thorax became foi'ked or kinkj'. Fig. li;?. Mutant race of fruit fly called clul). The wings often remain unexpanded and two liristles present in wild fly (b) are absent on side of thorax (c). (fig. 52b). This stock breeds true, and the character is inherited in strictly jNIendelian fashion. In a certain stock a number of flies appeared. 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. Princeton, Princeton University Press; [etc. , etc. ]
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Keywords: ., bookcentury1900, bookdecade1910, booksubjectevoluti, bookyear1916
