SIBLING RECOMBINANTS IN ZYGOTE PEDIGREES OF ESCHERICHIA COLI
- 15 December 1957
- journal article
- research article
- Published by Proceedings of the National Academy of Sciences in Proceedings of the National Academy of Sciences
- Vol. 43 (12) , 1060-1065
- https://doi.org/10.1073/pnas.43.12.1060
Abstract
Individual mating pairs were isolated from highly fertile matings of Escherichia coli, Hfr X F-. All the recombinants were found in the progeny of the F- exconjugant, designated as female. The segregation of markers in the cell lineage indicated: the loss of certain chromosome segments, before or after fertilization or both; coincidence of crossing over, suggestive of sporadic pairing; a possible correlation of reciprocal crossovers; recycling of meiosis; and, a process of nuclear assortment from a temporary heterokaryon.Keywords
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