Studies on Genetic Organization in Higher Organisms, II. Complementation and Fine Structure of the Maroon-like Locus of Drosophila melanogaster
Open Access
- 1 April 1970
- journal article
- Published by Proceedings of the National Academy of Sciences in Proceedings of the National Academy of Sciences
- Vol. 65 (4), 939-946
- https://doi.org/10.1073/pnas.65.4.939
Abstract
Mutants of the maroon-like complex, representative of the five known complementation classes, were subjected to fine structure mapping experiments utilizing a nutritional selective procedure which permits the survival of rare ma-l(+) progeny from large-scale crosses. The analysis provides an internally consistent, unique map, colinear with the complementation map. Noncomplementers exhibit a polarized mapping distribution. In addition to ma-l(+) recombinants, the selective medium permitted the survival of ma-l(+) exceptionals not associated with recombination for adjacent markers. Analysis of the exceptionals favors their origin as convertants.Keywords
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