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Multiple recombinational events within the 84 W locus of Ascorolus immersus

Published online by Cambridge University Press:  14 April 2009

A. Paszewski ,
W. Prażmo  and
E. Jaszczuk
A. Paszewski
Affiliation:
Institute of Biochemistry and Biophysics, Polish Academy of Science, Warsaw, ul. Rakowiecka 36, Poland
W. Prażmo
Affiliation:
Institute of Biochemistry and Biophysics, Polish Academy of Science, Warsaw, ul. Rakowiecka 36, Poland
E. Jaszczuk
Affiliation:
Institute of Biochemistry and Biophysics, Polish Academy of Science, Warsaw, ul. Rakowiecka 36, Poland
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Summary

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Multiple recombinational events within a gene were studied by tetrad analysis of multipoint intragenic crosses. It was found that a considerarle proportion of double-site conversions can arise as two separate but correlated events. The same was true for conversion and crossing-over associated with it. The data point to a possibility of multiple recombinational events involving both conversions and cross-overs, occurring as successive rounds of recombination within a single recombinational process. Some of the results suggest that more than two chromatids may be involved in such a process. The results are discussed in terms of different recombination models.

Type
Research Article
Information
Genetics Research , Volume 18 , Issue 2 , October 1971 , pp. 199 - 214
Copyright
Copyright © Cambridge University Press 1971

References

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