Why Are Dogs Such Doting Companions? It’s in Their Genes Posted on 09/18/2017 by Cosc U.S. researchers have identified a genetic difference between dogs and their wild cousins, wolves, that could explain why dogs are so friendly. Faith Lapidus reports. … Click to share on Telegram (Opens in new window)Click to share on WhatsApp (Opens in new window)Click to share on Pinterest (Opens in new window)Click to share on Facebook (Opens in new window)Click to share on X (Opens in new window)