Hostname: page-component-cd9895bd7-gbm5v Total loading time: 0 Render date: 2024-12-25T16:45:06.105Z Has data issue: false hasContentIssue false
  • English
  • Français

Disruptive selection on sternopleural chaeta number in Drosophila melanogaster

Published online by Cambridge University Press:  14 April 2009

W. Scharloo ,
M. Den Boer  and
M. S. Hoogmoed
W. Scharloo
Affiliation:
Genetisch Instituut, Rijksuniversiteit, Groningen
M. Den Boer
Affiliation:
Genetisch Laboratorium, Rijksuniversiteit, Leiden, The Netherlands
M. S. Hoogmoed
Affiliation:
Genetisch Laboratorium, Rijksuniversiteit, Leiden, The Netherlands
Rights & Permissions [Opens in a new window]

Extract

Core share and HTML view are not available for this content. However, as you have access to this content, a full PDF is available via the ‘Save PDF’ action button.

It is generally accepted that reproductive isolation leading to the irreversible division of a Mendelian population into two species must be initiated during a period of geographical isolation (see Mayr, 1963). Thoday & Gibson (1962, Gibson & Thoday, 1963) obtained partial isolation within a population of Drosophila melanogaster by artificial disruptive selection for the number of sternopleural chaetae. This occurred in two experiments from the same base population after seven and twelve generations respectively. On the strength of these results they concluded that speciation does not require geographical isolation and that sympatric speciation by disruptive selection in a heterogeneous habitat is at least a theoretical possibility.

Type
Short Papers
Information
Genetics Research , Volume 9 , Issue 1 , February 1967 , pp. 115 - 118
Copyright
Copyright © Cambridge University Press 1967

References

REFERENCES

Clayton, G. A., Morris, J. A. & Robertson, Alan (1957). An experimental check on quantitative genetical theory. I. Short term responses to selection. J. Genet. 55, 131–151.CrossRefGoogle Scholar
Gibson, J. B. & Thoday, J. M. (1963). Isolation by disruptive selection. Genetics Today, 1, 159–160. Proc. XI Int. Congr. Genet.Google Scholar
Knight, G. R., Robertson, A. & Waddington, C. H. (1956). Selection for sexual isolation within a species. Evolution, Lancaster, Pa. 10, 14–22.CrossRefGoogle Scholar
Mayr, E. (1963). Animal Species and Evolution. Harvard: Belknap Press.Google Scholar
Robertson, F. W. (1960). The ecological genetics of growth in Drosophila. 1. Body size and developmental time on different diets. Genet. Res. 1, 298–304.Google Scholar
Thoday, J. M. (1963). Effects of selection for genetic diversity. Genetics Today, 3, 533–540. Proc. XI Int. Congr. Genet.Google Scholar
Thoday, J. M. & Gibson, J. B. (1962). Isolation by disruptive selection. Nature, Lond. 193, 1164–1166.CrossRefGoogle ScholarPubMed
Wallace, B. (1954). Genetic divergence of isolated populations of Drosophila melanogaster. Proc. IX Int. Congr. Genet. 761–764.Google Scholar