As our growing knowledge of genetics and genomics continues to inform, change, and customize health care, an understanding of genetics and genomics is now central to up-to-date and proficient nursing practice. There is a growing need for relevant nursing educational programs that aid practicing nurses in securing genetics/genomics knowledge and an understanding of gene therapy. This article describes a day-long, evidence-based, hands-on genetics learning program developed specifically for practicing nurses caring for children enrolled in ex vivo gene therapy clinical trials. [ABSTRACT FROM AUTHOR]