A genetic analysis of linkage group I of Chlamydomonas reinhardi |
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Authors: | W T Ebersold and R P Levine |
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Institution: | (1) Biological Laboratories, Harvard University, Cambridge 38, Massachusetts |
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Abstract: | Summary Crossing over in linkage group I ofChlamydomonas reinhardi was studied by means of the analysis of 1721 unordered tetrads. The data indicate that chiasma interference is positive, that chromatid interference is absent and that crossing over occurs at the 4-strand stage.
Zusammenfassung Mit Hilfe der Analyse von 1721 ungeordneten Tetraden wurde das crossing-over in der Koppelungsgruppe I vonChlamydomonas reinhardi untersucht. Aus der Häufigkeit der verschiedenen Tetraden-Typen wird geschlossen, daß crossingover im Vierstrang-Stadium geschieht, und daß eine positive Chiasma-Interferenz existiert, während eine Chromatiden-Interferenz nicht vorkommt.
With 2 Figures in the Text This work was supported by the United States Public Health Service (Grant No. E 1421) and the National Science Foundation (Grant No. G 2812). A portion of this work was conducted while a Public Health Service Research Fellow of the National Cancer Institute. |
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