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Cell. 1981 Sep;25(3):705-11.

A copy of the copia transposable element is very tightly linked to the Wa allele at the white locus of D. melanogaster.


Results are described demonstrating that several X chromosomes of Drosophila melanogaster carrying the Wa (white-apricot) mutant allele also carry homology to the copia transposable element in distal 3C of the polytene chromosome map as assessed by situ hybridization. The locus of the Wa mutation, white, resides in distal 3C. We further show, using fine scale genetic mapping techniques, that the copia homology in distal 3C in Wa-bearing chromosomes is very tightly linked to the Wa mutation. Both the Wa mutation and the copia homology associated with it map to the central portion of the white locus.

[Indexed for MEDLINE]

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