11.   Though a few such genes have come to light through guesswork, genomewide scans are the most promising method for uncovering the roots of multigenic disease.

12.   When all six are in place, the interferon gene comes alive and interferon is made.

13.   As an example, the president cited research into the human genome -- determining how genes come together to make a single human being.

14.   The chosen gene comes from a herpes virus which causes herpes sores.

15.   The gene came from a bacterium.

16.   They found that one spot of the chain-like gene comes in two versions, named A and T.