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Studies on the sterility induced by the male recombination factor 31.1 MRF in Drosophila melanogaster

Published online by Cambridge University Press:  14 April 2009

George Yannopoulos
George Yannopoulos
Affiliation:
Department of Genetics, University of Patras, Greece

Summary

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The sterility which is associated with male recombination induced by 31.1 MRF was studied genetically and cytologically. In all crosses it was found that female sterility mainly involves failure of the heterozygous females to lay eggs because their ovaries are atrophic. Under the optical microscope, the atrophic ovaries were seen to contain only germaria in their ovarioles. It was also found that in some cases 31.1 MRF affects only one of the two ovaries of the same female. This observation suggests that defective development of atrophic ovaries is not due to influences from the rest of the body but should be attributed to the inability of the germ cells to differentiate. Moreover, various stocks as well as homologous chromosomes were found to react differently to 31.1 MRF with respect to female sterility. In their effect on male sterility it was observed that some strains behave as neutral and others as reactive when mated with 31.1/Cy L4 males.

Type
Research Article
Information
Genetics Research , Volume 32 , Issue 3 , November 1978 , pp. 239 - 247
Copyright
Copyright © Cambridge University Press 1978

References

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