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. 1992 Apr;130(4):843–853. doi: 10.1093/genetics/130.4.843

A Comprehensive Study of Genic Variation in Natural Populations of Drosophila Melanogaster. VI. Patterns and Processes of Genic Divergence between D. Melanogaster and Its Sibling Species, Drosophila Simulans

M Choudhary 1, M B Coulthart 1, R S Singh 1
PMCID: PMC1204933  PMID: 1582561

Abstract

We present here an extensive set of data on allelic differences between homologous proteins of Drosophila melanogaster and its sibling species, Drosophila simulans, obtained by nondenaturing one-dimensional, and denaturing two-dimensional gel electrophoresis. The data suggest that, for these two species, (1) approximately 10% of protein-coding loci have no alleles in common in our sample, (2) the extent of genic variation at a locus (mean heterozygosity) within a species is not correlated with the extent of divergence (Nei's genetic distance) at that locus between species, and (3) significant heterogeneity of divergence rates exists for different structural/functional classes of loci. These results are discussed in the context of the dynamics of genetic variation within and between species.

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Selected References

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