Knowledge of genes and selective breeding has allowed scientists and farmers to do some pretty 'amazing' things, but is it ethical?
Use your knowledge from studying unit B1 - You and your Genes to selectively breed tigers:
Minnesota Zoo (2011) Zoo Matchmaker, [online] Available at:http://www.mnzoo.com/education/games/matchmaker/matchmaker.swf [Accessed: 26th May 2011].