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Hybrid dysgenesis in Drosophila melanogaster: synthesis of RP strains by chromosomal contamination

Published online by Cambridge University Press:  14 April 2009

Margaret G. Kidwell  and
Helen M. Sang
Margaret G. Kidwell
Affiliation:
Division of Biology and Medicine, Brown University, Providence, Rhode Island 02912, U.S.A.
Helen M. Sang
Affiliation:
Department of Molecular Biology, University of Edinburgh, Kings Buildings, Edinburgh EH9 3JR, Scotland
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Summary

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Several strains have been synthesized which have reactive (R) properties in the I–R system of hybrid dysgenesis and which are also classified as active P strains in the P–M system. The synthesis of this previously unknown combination of types was accomplished by employing a mating scheme which allowed transposition (chromosomal contamination) of P, but not I, factors from IP to RM chromosomes in dysgenic F1 males. The successful synthesis of RP strains provides strong evidence that the apparent absence of this combination in natural and laboratory populations of melanogaster is not due to a biological incompatibility between these two types.

Type
Research Article
Information
Genetics Research , Volume 47 , Issue 3 , June 1986 , pp. 181 - 185
Copyright
Copyright © Cambridge University Press 1986

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