An easy but difficult choice英语作文
Along with the rapid step of science development, men have got more and more achievements. Especially in biological field, scientists are creating miracles every minute. In recent years, they are decoded the gene code of human being. People all over the world are astonished and excited. However, at the same time, it evokes many things which we should and must think carefully.
What s gene? I think we should know sometimes about DNA first. DNA is short for deoxyribonucleic nucleic acid. It s the most important heredity substance in our bodies, which almost decides all the shape and properties. On it are there thousands of genes arranged in sequence. Each of them carries a genetic message that decides your appearance, intelligence or any other character. So there s no doubt that decoding the gene code will do an great effect on us and has a profound and far-reaching meaning.
This scientific fruit would absolutely bring some advantages. If it was in use, agriculture would benefit from it a lot. The output of crop would increase. They could resist all kinds of diseases and have a strong ability of disaster-proteeting. Animals may be safe because scientists can continue a plant by genetic optimization or cloning when it is in danger. For humans, it will contribute to medicine. Hereditary diseases reduces a lot. Many incurable diseases can be treated. We will enjoy our lives without pain.
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