Students in high school tend to find genetics difficult to learn because it requires some crosslinked knowledge about subjects like genes, proteins, cells, tissues as well as organs and systems. It also becomes more difficult to connect and explain concepts such as the gene expression at the level of the cell to conceptualize the effect of the…

This multi-participant case study used a phenomenological lens to understand the ways that science teachers make sense of implementing instructional innovations following their participation in a year-long biotechnology professional development program. Sources of data included a series in-depth interviews used to collect teachers' stories of…

This document reports on a science education reform program sponsored by the Howard Hughes Medical Institute. The program is an attempt to overhaul the reform efforts of the Montgomery County Public Schools in Maryland, and participation in the project has been underway since 1994. Funds from the institute support teacher training in the use and…