article_snippet.sent: Many scientists have already reacted with horror at the idea, for fear the idea could be misused to allow parents to 'select' the genes parents will pass on to parents grandchildren.
article_snippet.sent: parents say that even embryos created in this way for research purposes only could have serious ethical and safety implications.
article_snippet.sent: parents have described it as 'dangerous and ethically unacceptable'.
article_snippet.sent: Such work is already illegal in many countries around the world including the UK, but is permitted in the US and China.