. The germ-cell cycle in animals . Cells. JE-' 1 '••/•• Protenor <^. • •* FiQ. 65. — Maturation in Protenor. Male above. A. Spermatogonium. B. Synapsis. C. First maturation division. D, D'. Second mat- uration division. E, E'. Two sorts of spermatozoa. Female below. A. Oogonium. B. Synapsis. C. First matura- tion division. D. Second maturation division. E. Egg nucleus and two polar bodies all alike in chromosome content. First polar body is dividing. (From Morgan's Heredity and Sex, published by the Columbia University Press.) (258). Please note that these images are extracted from scanned
. The germ-cell cycle in animals . Cells. JE-' 1 '••/•• Protenor <^. • •* FiQ. 65. — Maturation in Protenor. Male above. A. Spermatogonium. B. Synapsis. C. First maturation division. D, D'. Second mat- uration division. E, E'. Two sorts of spermatozoa. Female below. A. Oogonium. B. Synapsis. C. First matura- tion division. D. Second maturation division. E. Egg nucleus and two polar bodies all alike in chromosome content. First polar body is dividing. (From Morgan's Heredity and Sex, published by the Columbia University Press.) (258). 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 Hegner, Robert William, 1880-1942. New York : The Macmillan Company
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License: Licensed
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Keywords: ., bookcentury1900, bookdecade1910, booksubjectcells, bookyear1914
