My trade magazine has published a journalistic review of three Dog DNA tests. You may find this video report helpful and interesting. C&EN tested one dog’s genetics and got weird results
I always wondered why my Charlie, who was listed as a terrier on the rescue website, was so laid back and gentle.
......it's because he's a Beagle.....
Knowing he's a Beagle also explains why he has terrible recall outdoors (he's amazing inside) and will never be left off leash. When his nose is "on" his ears automatically turn "off"