Though even the notion of cloning has been extremely controversial for decades, the reality of this potential truly entered the mainstream with Dolly the sheep - and with it, the heightened ethical debates. Let's take a trip down memory lane - do a quick search to see some of the arguments that initially arose with the Dolly situation. Then pit them against our readings, or other recent articles, to see if they still seem relevant in terms of the time and multiple developments that have followed in the years since.