Abstract Background Mammalian genomes consist of regions differing in GC content. referred to as isochores or GC-content domains. The scientific debate is still open as to whether such compositional heterogeneity is a selected or neutral trait. Results Here we analyze SNP allele frequencies. https://www.diegojavierfares.com/great-save-NAHMIAS-Miracle-Academy-T-shirt-Mens-Apparel-special-save/