. The Mechanism of Mendelian heredity. Mendel's law; Heredity; Chromosomes. Fig. 37.—Dispermic fertilization of egg of sea urchin. The four centrosomes cause an unequal distribution of the fifty-four chromosomes, leading at the first division to four cells which contain different num- bers of chromosomes. and followed their history. Some of them gave rise to perfect dwarf larvae. The number of normal embryos was small, but was that expected on the chance distribution of the chromosomes, for we should expect to find in a few cases an isolated cell that contained a full complement of chromosomes


. The Mechanism of Mendelian heredity. Mendel's law; Heredity; Chromosomes. Fig. 37.—Dispermic fertilization of egg of sea urchin. The four centrosomes cause an unequal distribution of the fifty-four chromosomes, leading at the first division to four cells which contain different num- bers of chromosomes. and followed their history. Some of them gave rise to perfect dwarf larvae. The number of normal embryos was small, but was that expected on the chance distribution of the chromosomes, for we should expect to find in a few cases an isolated cell that contained a full complement of chromosomes and from such a cell a normal embryo would be formed. The abnormality in development of the rest of the isolated cells was not due to any harmful. 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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Keywords: ., bookcentury1900, bookdecade1920, bookpublishernewyo, bookyear1922