The ethical question doesn't arise when cloning a human organ CUT a stem of a plant and stick it on the ground. Chances are it will grow into a new plant. The cells in the plant stem have the ability to do so. Do we humans have this same ability? Research findings during the last two decades suggest that we might, depending on which of our cells we start from. Each of us is the product of one single cell, the fertilised egg cell of the mother. This divides into two, then four, eight and so on, doubling each time it divides. The mass of cells so produced becomes the embryo