White tiger's coat down to one change in a gene

Chinese scientists have acquired new insights into how white tigers get their colouration. The researchers have traced the cause to a single change in a gene known to drive pigmentation in a host of animals, including humans. via Pocket http://www.bbc.co.uk/news/science-environment-22638341#sa-ns_mchannel=rss&ns_source=PublicRSS20-sa