Abstract Background Bird genomes have very different compositional structure compared with other warm-blooded animals. The variation in the base skew rules in the vertebrate genomes remains puzzling. but it must relate somehow to large-scale genome evolution. Current research is inclined to relate base skew with mutations and their fixation. https://www.diegojavierfares.com/quick-offer-JOMEED-31-5-Square-Coffee-Table-Modern-Farmhouse-Living-Room-Furniture-Beige-p9138-amazing-deal/