From the passage, the drawback of genetically modified cotton is that it may have caused problems with the plants.
This is the type of cotton that has been modified genetically in such a way that it is able to combat the cotton worm.
This type of cotton is known to have resistance to pest. It helps to combat the issues of the ballworm.
Read more on genetically modified plants here: https://brainly.com/question/9779863
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