41.   But first, the eggs were examined to find those that were free of the mutant gene.

42.   Cancer results from mutant genes.

43.   Deep vein thrombosis is rare among healthy people, including those who have the mutant gene.

44.   DNA testing for the mutant genes was not possible at the time.

45.   Experts generally agree that the mutant gene is so common that it would be worthless to screen the general population for it.

46.   In a comparison group of women who also had the mutant genes and opted only for regular checkups, one-eighth got breast cancer and one woman died.

47.   Mutant gene implicated in asthma.

48.   Researchers working in England found no correlation between mutant genes and development of acute myeloid leukemia.

49.   Researchers found that people with two mutant genes were more than five times less likely to develop the leukemia.

50.   Scientists have tracked down a mutant gene that appears to make people more susceptible to allergies.