Cotton plants are hard to change genetically, so scientists tried a new method to make it easier. They used a special type of bacteria to transfer genes into the cotton plants. By adding an extra gene to the bacteria, they were able to increase the number of plants that successfully received the new genes. This new method resulted in more transformed plants compared to the old method. The scientists found that using this new approach, they could create genetically modified cotton plants that passed on the new genes to their offspring.