Search results for "Inversion polymorphism"

Polymorphisms of inversions and Adh alleles in eye colour mutant experimental populations of Drosophila melanogaster

1987

Data from: Trans-oceanic genomic divergence of Atlantic cod ecotypes is associated with large inversions

2017

Chromosomal rearrangements such as inversions can play a crucial role in maintaining polymorphism underlying complex traits and contribute to the process of speciation. In Atlantic cod (Gadus morhua), inversions of several megabases have been identified that dominate genomic differentiation between migratory and non-migratory ecotypes in the Northeast Atlantic. Here, we show that the same genomic regions display elevated divergence and contribute to ecotype divergence in the Northwest Atlantic as well. The occurrence of these inversions on both sides of the Atlantic Ocean reveals a common evolutionary origin, predating the more than 100,000 years old trans-Atlantic separation of Atlantic co…