. A critique of the theory of evolution. Evolution. 76 THEORY OF EVOLUTION other type smaller splotches (fig. 37). The factors that differentiate these varieties are sex linked. Certain types of color blindness (fig. 38) and certain other abnormal conditions in man such as haemophilia, are transmitted as sex linked characters. j^f?^-:. Fig. 37. Two types of markings on thorax of Drosophila repleta, lioth found "wild". They show sex linked inheritance. In domestic fowls sex linked inheritance has been found as the charactei-istic method of transmission for at least as many as six char
. A critique of the theory of evolution. Evolution. 76 THEORY OF EVOLUTION other type smaller splotches (fig. 37). The factors that differentiate these varieties are sex linked. Certain types of color blindness (fig. 38) and certain other abnormal conditions in man such as haemophilia, are transmitted as sex linked characters. j^f?^-:. Fig. 37. Two types of markings on thorax of Drosophila repleta, lioth found "wild". They show sex linked inheritance. In domestic fowls sex linked inheritance has been found as the charactei-istic method of transmission for at least as many as six char- acters, but here the relation of the sexes is in a sense reversed. For instance, if a black Langshan hen is crossed to a barred Plymouth Rock cock (fig. 39), the offspring are all. 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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