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Powerful history that is evolutionary gene content of intercourse chromosomes across diverse songbirds

Songbirds have a species quantity nearly comparable to compared to animals, and are also classic models for learning mechanisms of speciation and selection that is sexual. Intercourse chromosomes are hotspots of both processes, yet their evolutionary history in songbirds stays not clear. To elucidate that, we characterize feminine genomes of 11 songbird species ZW that is having sex, with 5 genomes of bird-of-paradise types newly manufactured in this work. We conclude that songbird sex chromosomes have actually withstood at the very least four actions of recombination suppression before their species radiation, creating a gradient pattern of pairwise series divergence termed strata’ that is‘evolutionary. 続きを読む