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Studies on male recombination in a Southern Greek Drosophila melanogaster population: (a) Effect of temperature. (b) Suppression of male recombination in reciprocal crosses

Published online by Cambridge University Press:  14 April 2009

George Yannopoulos  and
Michael Pelecanos
George Yannopoulos
Affiliation:
Department of Genetics, University of Patras, Greece
Michael Pelecanos
Affiliation:
Department of Genetics, University of Patras, Greece

Summary

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A second chromosome of Drosophila melanogaster (symbol 31.1) isolated from a natural population of North-Western Peloponnesus (at a distance of 8 km from the city of Patras) was found to induce recombination in heterozygous males, both in the second and third chromosomes. The present study also revealed the following points. (1) The phenomenon is temperature-sensitive with higher male recombination at 29 °C than at 25 or 15 °C. (2) The temperature-sensitive period is during the larval stage where premeiotic divisions of germ cells take place. (3) Suppression of male recombination in both the second and third chromosomes occurred when 31.1/CyL4 females were used in the matings, and (4) the suppression of male recombination is caused by a cytoplasmic factor of the CyL4/Pm stock.

Type
Research Article
Information
Genetics Research , Volume 29 , Issue 3 , June 1977 , pp. 231 - 238
Copyright
Copyright © Cambridge University Press 1977

References

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