1.   It is here already for severe combined immunodeficiency, where the gene is cloned, the affected cell is easy to access, and the biochemistry is well understood.

2.   Geron Corp. shares more than doubled after the company reported it cloned a gene believed to prevent aging in some cells.

3.   Geron scientists, along with Nobel Laureate Thomas R. Cech at the University of Colorado in Boulder, made up the other team that cloned the gene.

4.   In his previous job at the university, Seeburg and some colleagues had cloned the gene for the production of human growth hormone.

5.   Interest within the medical world has burgeoned since the A-T gene has been cloned.

6.   Kandel, his mentor, had assigned Scheller to find and clone the genes that controlled the learning process in a sea slug that the lab was studying.

7.   Last year, Dr. Rima Rozen, a geneticist at McGill University in Montreal, and her colleagues cloned the gene that codes for this enzyme.

8.   Molecular biologists have long despised them for getting in the way of their efforts to clone genuine genes.

9.   Scientists have cloned the genes that the bacteria use to make these drugs.

10.   Whichever solved the puzzle first could clone the gene and develop a potentially-lucrative anti-anemia drug.