Genetically modified crops - good for producing drought and disease resistant crops that will increase food production; bad because no one knows the effects of long-term consumption of GM crops.
Gene therapy - good for treating diseases that are due to genetic defects which cannot otherwise be treated using conventional therapy (or are impractical for various reasons); bad because the same technology can be used to modify other genes, resulting in ethical and moral issues that society does not have the capacity to deal with at the present time.
Gene therapy - good for treating diseases that are due to genetic defects which cannot otherwise be treated using conventional therapy (or are impractical for various reasons); bad because the same technology can be used to modify other genes, resulting in ethical and moral issues that society does not have the capacity to deal with at the present time.