Genes are a miraculous thing. I know for example that I received my green eyes and red hair from my dad’s side of the family. And, I’ve got my love of learning and my bad temper from my mom’s genetic pool. There are probably a lot more gene combinations in my make-up that I don’t even realize. Hershey, our 5-year-old puppy. Take our adopted dog, Hershey, for example. He’s a beautiful black and brown color with a touch of gray on his chest, tummy and chin (which you’d see if his tongue wasn’t in the way). He’s 70 pounds of pure muscle with a German Shepherd tail and what I…