31.   In five cases, the scientists found the gene to be mutated in people with cancer, while their tumor-free relatives lacked the flaw.

32.   In the past few years, scientists have found genes linked to more than two dozen diseases including hemophilia, osteoporosis, colon cancer and breast cancer.

33.   Incyte and Human Genome Sciences find genes by catching them in the act of making proteins.

34.   It has given researchers, ethicists, breast cancer activists and others ample time to consider what should be done after the gene is found.

35.   It is only a matter of time before the gene itself is found.

36.   Now they think they have found a gene that explains why.

37.   Only last week, researchers announced they had found a gene that gives people an impulsive personality.

38.   Only a minuscule number of complex disease genes have been found so far, she said.

39.   Others are writing contracts spelling out what they are entitled to if they help scientists find genes.

40.   Remarkably, scientists are finding their genes to be ancient, putting them among the deepest roots of the evolutionary tree.