Mark, His Sister and the Scientist
Mark is anchored to a wheel chair by a crippling inherited disease, Duchenne's muscular dystrophy. His sister Tracey is not affected, but she could be a carrier - in danger of passing the disease on to any boy babies she may have. And her problem is especially urgent because she is engaged to be married. The scientists, led by Kay Davies , are struggling to develop a test that will tell Tracey whether she is a carrier or whether she can forget her fears.
Series editor DAVID FILKIN Producer FIONA HOLMES
* CEEFAX SUBTITLES