P element transposition in Drosophila melanogaster: an analysis of sister-chromatid pairs and the formation of intragenic secondary insertions during meiosis.

Abstract excerpt

The gap-repair model proposes that P elements move via a conservative, "cut-and-paste" mechanism followed by double-strand gap repair, using either the sister chromatid or homolog as the repair template. We have tested this model by examining meiotic perturbations of an X-linked ry+ transposon during the meiotic cycle of males, employing the mei-S332 mutation, which induces high frequency equational...

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