The Journal of Heredity 1985:76(4):258-262
© 1985 The American Genetic Association 76:258-262
research-article |
Chromosomal and behavioral studies of Mexican Drosophila
III. Inversion polymorphism of D. pseudoobscura
Drs. Olvera, de la Rosa, Gaso, Gonzalez, and Guzman are affiliated with the Departamento de Radiobiologia y Genetica, Instituto Nacional de Investigaciones Nucleares, Mexico 11, D. F.; Drs. Rockwell and Levine are affiliated with the Department of Biology, City College of New York, Convent Avenue at 138th Street, New York, NY 10031. This is a contribution from the binational cooperative research program on Mexican Drosophila, involving the Departamento de Radiobiologia y Genetica, ININ, Mexico, and the Department of Biology, City College of New York. The authors are pleased to acknowledge their indebtedness to the authorities of ININ for making available the laboratory facilities used in this investigation. This research was supported in part by U.S. Department of Health and Human Services, PHS grant 2-S07-RR07132 and by a grant from the City University of New York PSC-CUNY Research Award Program to Louis Levine. This paper is dedicated to Dr. Alfonso L. de Garay and to the memory of Professor Th. Dobzhansky, initiators and guiding spirits of this program. Please address reprint requests to Dr. Levine.
Abstract
Four new gene arrangements of chromosome 3 of Drosophila pseudoobscura are reported, as well as an updated phylogenetic sequence of the inversion polymorphism in this species. Evidence that the Tree Line gene arrangement of chromosome 3 was the original form in D. pseudoobscura, and that Central Mexico is the center of distribution of this species is discussed.
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