1.   Enough premalignant cells are present in the bulk of stool to permit the analysis of tumour suppressor gene mutations by this technique.

2.   And yet, Moeller points out, those studies by Muller used very high doses of radiation, and he elicited gene mutations, not cancer.

3.   A recent report from researchers in Dublin traced moderately high homocysteine levels to a common gene mutation that results in a defective enzyme involved in homocysteine metabolism.

4.   A rare gene mutation can more easily become common in such insular populations, he explained.

5.   A specific gene mutation may also confer immunity to HIV by decreasing or eliminating the number of chemokine receptors in host cells.

6.   But it is not clear what the benefits will be to a woman who finds out she is a carrier of the gene mutation linked to familial breast cancer.

7.   Desrosiers has tested viruses from long-term non-progressors because he suspects that they might contain similar gene mutations.

8.   He added that the findings suggest that other, yet-undiscovered gene mutations are also at work in one group but not the other.

9.   How much of human obesity will prove attributable to genetics remains to be seen, and gene mutations like those reported by the Cambridge team are probably uncommon.

10.   It would be a clinical researcher, however, who would discover that the same gene mutation makes people vulnerable to colon cancer.