11.   Millennium uses genetics in identifying genes responsible for common major diseases.

12.   Milunsky maintains a bank of DNA of people with rare inherited diseases, for which the gene or genes responsible have not yet been found.

13.   Researchers at the Baylor College of Medicine say they have identified the faulty gene responsible for a silent but deadly heart condition.

14.   San Antonio researchers also are looking for the genes responsible for prostate cancer.

15.   San Francisco-based Mendel specializes in isolating genes responsible for disease resistance and other traits in plants.

16.   The chip will let biologists search through the pedigree of a genetically influenced disease and link the responsible genes to one or more of the polymorphisms.

17.   The Cornell researchers, reporting in the journal Science, have uncovered the gene responsible for this evolutionary size growth.

18.   The genes responsible for metabolizing alcohol in the fly may be the same as in people.

19.   The gene responsible for sickle cell provides protection against malaria, so it is present wherever we find malaria.

20.   The other half will receive a vaccine into which some genes responsible for producing important HIV proteins, some building blocks of the virus, have been inserted.