Learn More
The key to successful transformation of American chestnut is having the correct combination of explant tissue, selectable and scorable markers, and a reliable regeneration system. Rapidly dividing somatic embryos, growing as proembryogenic masses, are a suitable tissue; the bar gene is a suitable selectable marker in conjunction with 1.0 to 10 mg/L(More)
This paper examines the evolution of pedagogy in an online graduate program developed from a social constructivist perspective. One professor's first year of teaching was explored through an end-of-year interview, as well as an analysis of newsgroup threads from fall and spring courses. The analyses suggest that this professor gave over more control of(More)
  • 1