1.   Plomin stresses that the discovery of a first gene does not mean the puzzle of intelligence has been solved.

2.   Ethical considerations required them to choose terminally ill volunteers for the first gene therapy trials.

3.   Gilbert and his colleagues have sketched out a theory of how it all may have happened and what the first genes were like.

4.   Gilbert has used extensive computer and statistical analysis to map out a theory on what the first genes were like.

5.   In fact, the very first human gene therapy patient had a similar disease.

6.   In the six years since the first corrective genes were injected into the first patient, gene therapy has exploded.

7.   It was the first gene for controlling growth hormone to be cloned from a plant.

8.   It was the day when Dr. Jeffrey Isner and one of his associates, Dr. Robert Schainfeld, were attempting the first gene therapy for vascular disease.

9.   Maybe it is appropriate that the first gene that scientists have found linked to an ordinary human personality trait is a gene involved in the search for new things.

10.   Researchers believed that these building blocks might have formed into the first genes.