英语翻译高手请进!不要机器!谢谢!翻译一段话

The successful cloning of Dolly shows the further improvement in cloning technology.From a single cell to clone an entire human can also be realized,however,human cloning is a controversial issue which involves aspects such as human rights.I don't think it's necessary to clone people,but it will be beneficial if parts of human bodies are cloned to help handicaped people!