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Biol Bull 83: 245-259. (October 1942)
© 1942 Marine Biological Laboratory
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SOME EFFECTS OF HOMOTYPIC EXTRACTS ON THE RATE OF CLEAVAGE OF ARBACIA EGGS

W. C. ALLEE 1, A. J. FINKEL 1, H. R. GARNER 1, G. EVANS 1, and R. M. MERWIN 1

1 Marine Biological Laboratory, Woods Hole, and Department of Zoology, University of Chicago

1. Fertilized Arbacia eggs contain a readily extracted substance (or substances) which, inour tests, accelerated the rate of cleavage of such eggs to a statistically significant degree.

2. The acceleration produced by such an extract is not a result of the echinochrome it may contain nor of possible copper contamination.

3. The results are discussed against a background of population physiology, and the problems of over- and undercrowding of organisms.






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Copyright © 1942 by the Marine Biological Laboratory.