The vast majority of these genes show a complexity that could have been achieved only over millions of years. (discovermagazine.com)
Moreover, the vast majority of the genes that have been associated with body size in the dog have been scientifically validated. (embarkvet.com)
The team also carried out a so - called metagenomic analysis, in which the genomes from all organisms in a sample are sequenced collectively; the great majority of genes they found coded for proteins never seen before. (sciencemag.org)