Radio programme, hosted by Sally Magnusson. "If you had a 50/50 chance of having a serious genetic condition and you were offered a test to find out if you were affected - would you have it? The topic's been in the news with the story of a Scottish family of 5 siblings who find themselves faced with whether to get tested for Huntington's disease. Dr Morven Shearer, from the University of St Andrews School of Medicine and Church of Scotland minister the Reverend Gillean Maclean who is affected by an inherited condition in her own family, discuss the issue."