Will cloning cure these people?
Ever since 1996, when Dolly the Sheep - the first mammal to be cloned from an adult cell - was born, there has been hope that cures for serious debilitating diseases are just around the corner.
In 2000, a team at Texas A&M University cloned a bull named “86 Squared” which was naturally resistant to three serious cattle diseases - brucellosis, tuberculosis and salmonellosis.