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Maternal effects on the rate of egg development in Drosophila subobscura

Published online by Cambridge University Press:  14 April 2009

Jean M. Clarke ,
J. Maynard Smith  and
Pamela Travers
Jean M. Clarke
Affiliation:
Department of Zoology, University College, London
J. Maynard Smith
Affiliation:
Department of Zoology, University College, London
Pamela Travers
Affiliation:
Department of Zoology, University College, London
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The time in hours from laying to hatching at 17°C. has been measured for eggs from four inbred lines of Drosophila subobscura, and also for F1 eggs, and for eggs obtained by crossing F1 hybrids to unrelated inbred lines and to unrelated F1 hybrids.

Eggs laid by females of a given genotype have a characteristic rate of development, which, with one exception, is not greatly influenced by the genotype of the male parent. F1 hybrid females laid eggs which were more uniform in hatching time than eggs laid by inbred females, and which developed more rapidly than eggs laid by three of the four kinds of inbred female studied. The slowest-developing eggs were laid by females from the NFS inbred line, a line originally selected for slow development from egg to adult.

The male parent, and hence the zygotic nucleus, had an appreciable effect on the rate of egg development only for eggs laid by NFS females; these eggs developed more rapidly if fertilized by sperm from an unrelated male.

Type
Research Article
Information
Genetics Research , Volume 1 , Issue 3 , November 1960 , pp. 375 - 380
Copyright
Copyright © Cambridge University Press 1960

References

REFERENCES

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