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Location of factors enhancing crossing over on linkage group I of Neurospora

Published online by Cambridge University Press:  14 April 2009

Jenny Hargrave  and
S. F. H. Threlkeld
Jenny Hargrave
Affiliation:
Department of Biology, McMaster University, Hamilton, Ontario, Canada
S. F. H. Threlkeld*
Affiliation:
Department of Biology, McMaster University, Hamilton, Ontario, Canada
*
* Address all correspondence to Dr S. F. H. Threlkeld, Department of Biology, McMaster University, Hamilton, Ontario, Canada, L8S 4KI.
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Summary

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An enhancement of cross-over frequencies previously reported by Newcombe & Threlkeld (1972) is shown to be due to two regions located on linkage group I, a few cross-over units to the right of the centromere. The distal region appears to be shorter than the proximal region, but equally effective in enhancing cross-over frequencies. The longer proximal region is readily divisable by cross-overs and probably spans several crossover units.

Type
Research Article
Information
Genetics Research , Volume 21 , Issue 2 , April 1973 , pp. 195 - 204
Copyright
Copyright © Cambridge University Press 1973

References

REFERENCES

Ferraro, M. J. (1971). An investigation of the control of recombination in Neurospora crassa by a dominant factor, or factors, from N. sitophila. M.Sc. Thesis, McMaster University, 184 pp.Google Scholar
Newcombe, K. D. & Threlkeld, S. F. H. (1972). Interspecific crosses and crossing-over in Neurospora. Genetical Research 19, 115–121.CrossRefGoogle ScholarPubMed
Threlkeld, S. F. H. (1962). Some asci with non-identical sister spores from a cross in Neurospora crassa. Genetics 47, 1187–1198.CrossRefGoogle Scholar