31.   Testing for specific genes that can elevate the risk of cancer may take on a much more important role in the near future, researchers said today.

32.   The area of the tomato plant chromosome responsible for this growth had been identified previously, but the new research pinpoints the specific gene.

33.   The finding is the first time a specific gene has been linked to a sleep-related breathing disorder.

34.   The geneticist, Dr. Amar J.S. Klar, hypothesizes that most people have a specific dominant gene that makes them right-handed.

35.   The new study shows that all the affected members have inherited a mutation, or variant piece of DNA, in a specific gene.

36.   The roles of both partners are governed by specific genes, a fact that has opened a new branch of inquiry.

37.   The two also are searching for the specific genes that are missing or altered in children with the disorder.

38.   The technology, which turns off specific genes, holds the promise of being useful to treat a wide range of diseases.

39.   These interactions are governed by specific genes, whose roles she is trying to define.

40.   Thrilled, visionaries foresaw an age when all human traits would be linked to specific genes.