Snow, A.A., D. Pilson, L.H. Rieseberg, M.J. Paulsen, N. Pleskac,
M.R. Reagon, D.E. Wold, and S.M. Selbo. A Bt transgene reduces herbivory and
enhances recundity in wild sunflowers. Ecological Applications 13:279-286.
- List at
least four reasons why sunflower is a good system to study the movement of
engineered genes from crop species into native plant populations?
- Why were
plants that were “male sterile” used as experimental subjects in this
- What was
the motivation for doing the greenhouse experiments? In other words, what relevance could
they have to what is happening in nature?
- How did
the presence of the Bt gene influence the performance of the experimental
sunflowers in terms of:
- What are
the potential consequences of gene flow from transgenic Bt
sunflower crops into natural sunflower populations?
factors that were not directly addressed in this study may reduce the
fitness advantage of carrying the Bt gene?