"DNA modification" Some people criticize this technology is still unreliable and dangerous. Especially, it's controversial issue in terms of ethic point of view. For example, clone of human beings is acceptable? Definitely, it's morally no. But I strongly support this technology. We have already used artificial hybridization for producing crops for a long time. There is no difference between DNA and hybridization in essential. Besides, if we take huge merits of DNA modificationinto our consideration, negate argument is trivial. Needless to say, we should be cautious about this issue. Owing high technology doesn't always mean that human beings may adoptthis technology for everything. As proverb goes, "Too much of one thing is not good."