Sex & the single gene

There I was, wandering and wondering through the Manhattan supermarket with a friend, studying the labels. 'Cholesterol-free,' declared the plastic bag of potatoes. 'Do you think they're genetically engineered?' my friend asked. 'Not likely,' I replied, dredging up memories of my high school biology. 'Potatoes don't normally have cholesterol unless you fry them first.' So the label, while strictly true, was intentionally misleading, which raises the question of what consumers make of labeling. There