Evolution of the autosomal chorion cluster in Drosophila. IV. The Hawaiian Drosophila: rapid protein evolution and constancy in the rate of DNA divergence.

Abstract excerpt

Autosomal chorion genes s18, s15, and s19 are shown to diverge at extremely rapid rates in closely related taxa of Hawaiian Drosophila. Their nucleotide divergence rates are at least as fast as those of intergenic regions that are known to evolve more extensively between distantly related species. Their amino acid divergence rates are the fastest known to date. There are two nucleotide replacement substitutions...

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