31.   Donnie has a genetic disease, Roberts syndrome, while Scottie has a kidney disorder.

32.   For instance, scientists said, it might lead to ways to deactivate cancer-promoting genes, switch on cellular repair mechanisms, or diagnose genetic diseases.

33.   For many couples who fear their baby might be born with a genetic disease or birth defect, seeking prenatal diagnosis creates a dilemma.

34.   Frohnmayer, president of the University of Oregon, has already lost two daughters to a rare genetic disease called Fanconi anemia that causes the bone marrow to fail.

35.   Gene therapy is being developed by scientists as a way to replace a defective gene in a patient with a genetic disease.

36.   Gene transfer techniques, once perfected, could treat more than just genetic diseases.

37.   He further demonstrated that variations in enzymes and proteins, when extreme, are responsible for genetic disease.

38.   He became intrigued by two different cases of children with homocystinuria, a rare genetic disease in which the levels of homocysteine in the blood are unnaturally high.

39.   He hastened to dispel the idea that Ashkenazi Jews are likely to have any greater burden of genetic disease than other groups.

40.   He said he intended to build a network of collaborators around the world to work on human genetic diseases.