A duplication including the Y allele of Lcp2 and the TRIM retrotransposon at the Lcp locus on the degenerating neo-Y chromosome of Drosophila miranda: molecular structure and mechanisms by which it may have arisen.

Abstract excerpt

Evolutionary changes during the process of sex chromosome differentiation in Drosophila miranda are associated with massive DNA rearrangements. Comparing the DNA structure of the larval cuticle protein (Lcp) region from the X2 and neo-Y chromosome pair, we observed insertions, deletions and a large duplication at the neo-Y chromosomal locus. The duplication encompasses a complete copy of the neo-Y allele of Lcp2,...

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