. The Mechanism of Mendelian heredity. Mendel's law; Heredity; Chromosomes. 28 TYPES OF MENDELIAN HEREDITY the factor for white both affect the plant in which they occur. In this and in similar cases the F2 ratio of 1 :2 :1 is obtained, because it is possible to distinguish the pure red and the pure white from the heterozygous Fig. 14.—Diagram to illustrate the cross between a red and a white flowered Mirabilis jalapa (4 o'clock), which produces a pink, intermediate heterozygote. The Andalusian fowl is a similar case. When certain races of black are bred to certain races or kinds of &
. The Mechanism of Mendelian heredity. Mendel's law; Heredity; Chromosomes. 28 TYPES OF MENDELIAN HEREDITY the factor for white both affect the plant in which they occur. In this and in similar cases the F2 ratio of 1 :2 :1 is obtained, because it is possible to distinguish the pure red and the pure white from the heterozygous Fig. 14.—Diagram to illustrate the cross between a red and a white flowered Mirabilis jalapa (4 o'clock), which produces a pink, intermediate heterozygote. The Andalusian fowl is a similar case. When certain races of black are bred to certain races or kinds of "white" the hybrid is slate "blue" in color. These blue birds, called Andalusians, when inbred, give one black to two blue to one white. Blue is. 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. New York, H. Holt
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