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The Journal of Heredity 1988:79(1):14-17
© 1988 The American Genetic Association 79:14-17

research-article

Genetics of Shell Color and Pattern in the Bay Scallop Argopecten irradians

L. Adamkewicz, and M. Castagna

Department of Biology, George Mason University Fairfax, Virginia
Institute of Marine Science, Easter Shore Laboratory Wachapreague, Virginia

Address reprint requests to Dr. Adamkewicz, Department of Biology, George Mason University, Fairfax, VA 22030

Abstract

The bay scallop Argopecten irradians is polymorphic for background color of the shell, which may be orange, yellow, or white, and is also highly variable for the distribution of overlying dark pigments. In one series of variations, the pigments may occur on the left (top) valve only, both valves, or neither. The results of self-fertilized matings demonstrate that background color is controlled by one gene with orange and yellow dominant to white. The color locus appears to show dominant epistasis to one or more genes that determine the distribution of overlying pigments.


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[Abstract] [Full Text] [PDF]


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