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Proceedings of the National Academy of Sciences of the United States of America logoLink to Proceedings of the National Academy of Sciences of the United States of America
. 1986 Feb;83(4):1036–1040. doi: 10.1073/pnas.83.4.1036

Genetic instability in Drosophila melanogaster: the genetics of an MR element that makes complete P insertion mutations.

M M Green
PMCID: PMC323005  PMID: 3006025

Abstract

An MR element that maps to a specific locus in chromosome 3 of Drosophila melanogaster has the unusual feature of producing complete P (a mobile element) sequence mutations at several X chromosome loci. This MR also increases the frequency of mitotic recombination. Evidence is given for the transposition of MR. The complete P insertion mutations are autonomously unstable and are capable of causing otherwise stable incomplete (defective) P insertion mutations to revert. These results complement the analysis of P element functions with a synthetic complete P derivative. The genetic basis for the mutational-mitotic recombinational components of "hybrid dysgenesis" is conveniently explicable in terms of MR elements present in the genomes of flies present in the wild.

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Selected References

These references are in PubMed. This may not be the complete list of references from this article.

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