In this month’s Field Notes , Susan Knight of Trout Lake Station tells us about the genetics of apples and the real story behind Johnny Appleseed. Before I ever got to college, I knew I wanted to be a biologist, in fact, a zoologist, or so I thought. I grudgingly signed up for a few plant classes, including plant taxonomy. Well, the professor wasn’t all that interesting, but I would have followed the teaching assistant anywhere. I was completely smitten… with the plants, of course. My class