Click an item in the list or group of pictures at the bottom of the problem and, holding the button down, drag it into the correct position in the answer box. Release your mouse button when the item is place. If you change your mind, drag the item to the trashcan. Click the trashcan to clear all your answers. Cross a smooth hybrid pea with another smooth hybrid pea (Ss times Ss).

Click on an item at the bottom of the problem.
Click again to drop the item in its correct place.

OPTIONS ARE: s, ss, Ss, SS, and S