41.   Universities, pharmaceuticals and biotech companies are all racing to find the specific genes responsible for diseases.

42.   PPL said the next step would be to try to replace specific genes with their human equivalent.

43.   Paterson then identified the specific genes that enabled the cotton to survive dry weather.

44.   An American scientist working in Britain says he has isolated the first specific gene to be associated with human intelligence.

45.   Earlier studies had shown that removing specific genes and then injecting the modified live SIV would immunize adult macaque monkeys against disease from the whole SIV virus.

46.   In fact, the specific gene mutations it monitored are harmless because they occurred in a gene unrelated to cancer.

47.   Lerner said the researchers found a consistent pattern of growing impairment in specific genes when comparing the cells of the young, middle-aged and old.

48.   Researchers probing the genetic mutations that make some people more susceptible than others to cancer have isolated specific gene flaws for leukemia and for breast and kidney cancer.

49.   The research is an effort to learn how specific genes affect development.

50.   A genetic marker is a chromosome region containing a specific gene.