The Genetics of DROSOPHILA SUBOBSCURA Populations. V. a Study of Linkage Disequilibrium in Natural Populations between Genes and Inversions of the E Chromosome
AUTOR(ES)
Loukas, M.
RESUMO
The genetics of Hk and Est-9 complex gene have been studied in Drosophila subobscura. While Hk alleles mendelize normally, Est-9 is a complex locus consisting of several very closely linked genes with active and silent alleles. Both genes are located on chromosome E; a detailed genetic map was constructed with the help of visible markers and inversions. Both Hk and Est-9 are included in or are very near to inversions of the E chromosome. While Hk does not show linkage disequilibrium either with Est-9 or inversions, Est-9 does show disequilibrium in two ways: both with inversions and between different Est-9 genes. All natural populations studied show the same kind of association between Est-9 gene combinations and inversions. It is argued that these results are better explained by selection than by neutrality.
ACESSO AO ARTIGO
http://www.pubmedcentral.nih.gov/articlerender.fcgi?artid=1213331Documentos Relacionados
- The Genetics of DROSOPHILA SUBOBSCURA Populations. IX. Studies on Linkage Disequilibrium in Four Natural Populations
- Genetics of Natural Populations. V. Relations between Mutation Rate and Accumulation of Lethals in Populations of Drosophila Pseudoobscura
- A Study of Linkage Disequilibrium in British Populations of DROSOPHILA SUBOBSCURA
- The Genetics of DROSOPHILA SUBOBSCURA Populations. Xiv. Further Data on Linkage Disequilibria
- A Molecular Approach to the Study of Genic Heterozygosity in Natural Populations. V. Further Direct Evidence of Coadaptation in Inversions of Drosophila