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Modifying the sternopleural hair pattern in Drosophila by selection

Published online by Cambridge University Press:  14 April 2009

E. C. R. Reeve
E. C. R. Reeve
Affiliation:
Agricultural Research Council Unit of Animal Genetics, Institute of Animal Genetics, Edinburgh, 9
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Two apparently very similar quantitative characters, the numbers of hairs on the sternopleural region and on the abdominal sternites of Drosophila melanogaster, show unexpected differences in their genetic behaviour. In particular, the amount of left-right asymmetry of the sternopleurals (i.e. the mean absolute difference in numbers of hairs on the two sides of the fly) tends to decline when inbred lines are intercrossed, and can be both increased and decreased by straightforward selection; the corresponding index for the sternite hairs—the uncorrelated variance between two sternites, or the mean absolute difference between the numbers of hairs on each—appears, on the other hand, to be susceptible neither to selection nor to change when inbred lines are crossed (Mather, 1953; Reeve & Robertson, 1954; Reeve, 1959).

Type
Short Notes
Information
Genetics Research , Volume 2 , Issue 1 , February 1961 , pp. 158 - 160
Copyright
Copyright © Cambridge University Press 1961

References

REFERENCES

Mather, K. (1953). Genetical control of stability in development. Heredity, 7, 297–336.CrossRefGoogle Scholar
Reeve, E. C. R. & Robertson, F. W. (1954). Studies in quantitative inheritance. VI. Sternite chaeta number in Drosophila: a metameric quantitative character. Z. induct. Abstamm.- u. VererbLehre, 86, 269–288.Google ScholarPubMed
Reeve, E. C. R. (1959). Some genetic tests on asymmetry of sternopleural chaeta number in Drosophila. Genet. Res. 1, 151–172.CrossRefGoogle Scholar
Thoday, J. M. (1958). Homeostasis in a selection experiment. Heredity, 12, 401–145.CrossRefGoogle Scholar