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The Journal of Heredity 1988:79(3):147-150
© 1988 The American Genetic Association 79:147-150

research-article

Image Analysis to Quantify the Expression of an Unstable Allele

M. A. L. Smith, L. A. Spomer, and R. K. D. Cowen

Department of Horticulture, University of Illinois Urbana

Address reprint requests to Dr. Smith, Department of Horticulture, University of lllinois, 1201 S. Dorner Drive, Urbana, IL 61801

Abstract

Microcomputerized video image analysis is shown to be an effective research tool for the study of genetic expression in Zinnia elegans. The imaging system, developed from off-the-shelf components and adapted specifically to permit accurate, rapid quantification of pigmentation expression in flowers, is proposed as an alternative or adjunct to the conventional, subjective visual interpretation methods used to assign phenotypic classes.


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