. The cell in development and inheritance. Cells. NATURE AND CAUSES OF DIFFERENTIATION 421 determinate cleavage, essentially like that of the snail, the nuclei may be shifted about by pressure without altering the end-result. Neither can they lie in the form of the dividing mass as some authors have assumed; for in Crampton's experiments the half or quarter blasto- mere does not retain the form of a half or quarter sphere, but rounds. B. Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and appearance of thes


. The cell in development and inheritance. Cells. NATURE AND CAUSES OF DIFFERENTIATION 421 determinate cleavage, essentially like that of the snail, the nuclei may be shifted about by pressure without altering the end-result. Neither can they lie in the form of the dividing mass as some authors have assumed; for in Crampton's experiments the half or quarter blasto- mere does not retain the form of a half or quarter sphere, but rounds. B. 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 Wilson, Edmund B. (Edmund Beecher), 1856-1939. New York, Macmillan


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Keywords: ., bookcentury1900, bookdecade1910, booksubjectcells, bookyear1911