Nowadays the science and technology develop in quite a fast speed. And we human beings are facing many ethical problems on advanced technologies. One of them is baby design. Scientists are doing experiments to change the gene of mice before they are born. In the future, this technology would be used in human beings to design the baby. However, this is a coin-toss.
We can not deny that there are many cases that it is better to change some gene of the babies. Many couples find their fetus having certain heredopathias. If the gene of the fetus is not changed, the babies would suffer from the disease since they are born, and some disease are even deadly. Besides, in other cases, the fetus may carry some gene which cannot cause diseases but are also bad. For example, the color of eyes or hair is different, the height is too short. These would cause trouble in the future, so it is better to change the gene.
However, in the second kind of cases, it is difficult to determine the degree of trouble. Then, there would be many couples want to change the gene of the fetus, just wanting to make their babies more beautiful or have better personalities. In my opinion, in these kind of cases, the gene change cannot be used. In biology, that the baby is the child of its parents is because that the gene of the baby is totally from its parents. If the gene has much unnecessary change, the parents are not its parents anymore. The parents have the responsibilities to raise the baby no matter what the baby is because they give birth to the baby.
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