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Biol Bull 77: 192-199. (October 1939)
© 1939 Marine Biological Laboratory
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THE DIFFERENTIAL EFFECT OF RADIATIONS ON MENDELIAN PHENOTYPES OF THE GOLDFISH, CARASSIUS AURATUS

H. B. GOODRICH 1 and J. P. TRINKAUS 1

1 From the Department of Biology, Wesleyan University

1. Radiation from a mercury vapor lamp produced differing reactions in three Mendelian phenotypes. Two parental forms, the ordinary goldfish and the transparent shubunkin, do not develop melanophores as a result of the treatment. The F1 hybrid, or calico shubunkin, does respond by an acceleration in the production of new spots or clusters of melanophores.

2. It is suggested that the hybrid during development becomes supplied with colorless chromatoblasts throughout the dermis which are stimulated to precocious multiplication and differentiation as a result of the radiation.






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Copyright © 1939 by the Marine Biological Laboratory.