I don not think blonds are going to be extinct in 200 years. It will take much more time. It is too many blonds in Scandinavia. I am from Norway so I know. Another fact is that in the future people can choose the appearance of their offspring due genetic science. Parents can get Nordic looking children from blond donors. It was just an article about it in a newspaper in Norway. It was from New York and that it was an increasing demand for Nordic donors
Thank you for your response, especially coming from Norway, you would know about blondes. It was pretty obvious that the article that started the previous thread about blondes was not scientific. Of course, blondes will not become extinct in 200 years! That is also an excellent point about genetic science.