Abstract
HITHERTO, experimental analyses of species differences by the use of xenoplastic transplantations have shown that the distinguishing characteristics are inherent in the tissues themselves. This is especially true when one considers organs which owe their differentiation to induction from other parts. The inductor of one species, although able to produce an effect on tissues of another species, acts only as a release mechanism calling forth certain potencies without impressing the characteristics of its own species on the reacting system.
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References
Dobzhansky, Th., Roux's Archiv, 123, 719–746 (1931).
Stem, C., and Hadorn, E., Amer. Natur., 72, 42–52 (1938); also unpublished data.
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STERN, C. Control of a Species-Difference by Means of a Difference in an Inductor. Nature 142, 158 (1938). https://doi.org/10.1038/142158a0
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DOI: https://doi.org/10.1038/142158a0
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