21.   However, the modified viruses usually used to shuttle the DNA into cells are too small to carry large genes.

22.   I carried feminist genes in my blood.

23.   If any of the foreign genes are very advantageous, plants carrying those genes could begin to dominate the population.

24.   If both parents carry the gene, they have a one-in-four chance of passing it on to their children.

25.   In contrast, members of organizations are often unclear about what policies lead to success and about who among them carries the winning genes.

26.   It has only two genes, both of which can be removed, leaving just its head and tail as a shell to carry therapeutic genes into target cells.

27.   Many patients want to know if they carry this gene.

28.   Maxygen has evolved a virus to carry genes into the body for gene therapy.

29.   Most gene therapy experiments have used viruses to carry new genes into the body, a method that has sometimes caused inflammations and other immune reactions.

30.   Myriad Genetics has won a patent for the gene it says can cause melanoma, and for a method of determining if a person carries that gene.