| high genetic differentiation between an african and a non-african strain of drosophila simulans revealed by segregation distortion and reduced crossover frequency. | drosophila simulans strains originating from madagascar and nearby islands in the indian ocean often differ from those elsewhere in the number of sex comb teeth and the degree of morphological anomaly in hybrids with d. melanogaster. here, we report a strong segregation distortion in the f1 intercross between two d. simulans strains originating from madagascar and the us, possibly at both the gametic and zygotic levels. strong bias against alleles of the madagascar strain was observed for all te ... | 2009 | 19590966 |
| distinguishing migration from isolation using genes with intragenic recombination: detecting introgression in the drosophila simulans species complex. | determining the presence or absence of gene flow between populations is the target of some statistical methods in population genetics. until recently, these methods either avoided the use of recombining genes, or treated recombination as a nuisance parameter. however, genes with recombination contribute additional information for the detection of gene flow (i.e. through linkage disequilibrium). | 2014 | 24762206 |
| inter-island divergence within drosophila mauritiana, a species of the d. simulans complex: past history and/or speciation in progress? | speciation with gene flow may be more common than generally thought, which makes detailed understanding of the extent and pattern of genetic divergence between geographically isolated populations useful. species of the drosophila simulans complex provide a good model for speciation and evolutionary studies, and hence understanding their population genetic structure will increase our understanding of the context in which speciation has occurred. here, we describe genetic diversity and genetic dif ... | 2011 | 21599771 |