CYTOGENETIC ANALYSIS OF CHROMOSOME 3 IN DROSOPHILA MELANOGASTER: MAPPING OF THE PROXIMAL PORTION OF THE RIGHT ARM

1 Department of Zoology, The University of British Columbia, Vancouver, B.C., Canada V6T 1W5

In order to define more precisely the most proximal portion of chromosome 3R in Drosophila melanogaster, several new chromosome aberrations involving this region have been recovered and analyzed. These new arrangements were recovered as induced reversions of two dominant mutations, AntpNs and dsxD, located in the region of interest. The results of the analysis have allowed the localization of several existing mutations, have further elucidated the complex homoeotic locus which resides in this region, and have confirmed the efficacy of this type of screen in the analysis of specific chromosome regions.

Submitted on November 12, 1974
Revised on April 3, 1975




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