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A Chinese scientist is being criticised for making twin girls whose genes were modified. He seems to have modified the girls' genes when they were ova, so that they wouldn't contract AIDS, because their father had AIDS.
Most scientists around the world criticise him because they think it is unethical to modify human genes. If they allow it, they can design people as they like. It would be very terrible, wouldn't it?
There are some problems about this case. For instance, how about the girls' human rights? The girls will be an object of study. They will be observed throughout their lives. How about their health? We can't know what will happen to the girls because they are the first humans whose genes were modified. Are they allowed to have babies? If they have babies, of course, their babies will have the same problems as they have. What do you think about modifying human genes?
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